How to configure application inside the apache2 and application running on windows tomcat server

Question

As per mentioned in title, my applications are running in two different windows server with different ports so i want perfect configuration for this achievement.

Here Apache2 is running on ubuntu server and he act as a Reverse Proxy Server.

Windows Server Application running on tomcat details:

1) <http://www.example.com/sit> running on http://10.0.120.1:7070/
2) <http://www.example.com/uat> running on http://10.0.120.1:6060/
3) <http://www.example.com/cug> running on http://10.0.130.1:7070/
4) <http://www.example.com/staging> running on http://10.0.130.1:6060/

Please find image link where we added my apache2 configuration for your information:

enter image description here

After this configuration while accessing my application is not working. please check and suggest best practices for me.