Finding the Fourth Proportional to 123,306.36, 170,163.36 and 69,593.64
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Solution
The fourth proportional to 123,306.36, 170,163.36 and 69,593.64 is: 96,039.55
Step by Step Solution
- Step 1: Write the proportion equation
123,306.36 : 170,163.36 = 69,593.64 : x - Step 2: Convert to fraction form
123,306.36/170,163.36 = 69,593.64/x - Step 3: Cross multiply
123,306.36x = 170,163.36 × 69,593.64 - Step 4: Simplify right side
123,306.36x = 11,842,287,617.03 - Step 5: Solve for x
x = 11,842,287,617.03/123,306.36 - Step 6: Final answer
x = 96,039.55
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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.