Finding the Fourth Proportional to 123,207.14, 170,025.62 and 69,491.99
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Solution
The fourth proportional to 123,207.14, 170,025.62 and 69,491.99 is: 95,898.81
Step by Step Solution
- Step 1: Write the proportion equation
123,207.14 : 170,025.62 = 69,491.99 : x - Step 2: Convert to fraction form
123,207.14/170,025.62 = 69,491.99/x - Step 3: Cross multiply
123,207.14x = 170,025.62 × 69,491.99 - Step 4: Simplify right side
123,207.14x = 11,815,417,487.20 - Step 5: Solve for x
x = 11,815,417,487.20/123,207.14 - Step 6: Final answer
x = 95,898.81
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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.