Finding the Fourth Proportional to 117,114.26, 161,617.50 and 63,399.26
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Solution
The fourth proportional to 117,114.26, 161,617.50 and 63,399.26 is: 87,490.88
Step by Step Solution
- Step 1: Write the proportion equation
117,114.26 : 161,617.50 = 63,399.26 : x - Step 2: Convert to fraction form
117,114.26/161,617.50 = 63,399.26/x - Step 3: Cross multiply
117,114.26x = 161,617.50 × 63,399.26 - Step 4: Simplify right side
117,114.26x = 10,246,430,307.09 - Step 5: Solve for x
x = 10,246,430,307.09/117,114.26 - Step 6: Final answer
x = 87,490.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.