Finding the Fourth Proportional to 127,869.97, 176,470.14 and 74,154.49
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Solution
The fourth proportional to 127,869.97, 176,470.14 and 74,154.49 is: 102,338.75
Step by Step Solution
- Step 1: Write the proportion equation
127,869.97 : 176,470.14 = 74,154.49 : x - Step 2: Convert to fraction form
127,869.97/176,470.14 = 74,154.49/x - Step 3: Cross multiply
127,869.97x = 176,470.14 × 74,154.49 - Step 4: Simplify right side
127,869.97x = 13,086,053,231.93 - Step 5: Solve for x
x = 13,086,053,231.93/127,869.97 - Step 6: Final answer
x = 102,338.75
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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.