Finding the Fourth Proportional to 123,442.00, 170,302.99 and 91,253.90
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Solution
The fourth proportional to 123,442.00, 170,302.99 and 91,253.90 is: 125,895.65
Step by Step Solution
- Step 1: Write the proportion equation
123,442.00 : 170,302.99 = 91,253.90 : x - Step 2: Convert to fraction form
123,442.00/170,302.99 = 91,253.90/x - Step 3: Cross multiply
123,442.00x = 170,302.99 × 91,253.90 - Step 4: Simplify right side
123,442.00x = 15,540,810,711.38 - Step 5: Solve for x
x = 15,540,810,711.38/123,442.00 - Step 6: Final answer
x = 125,895.65
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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.