Finding the Fourth Proportional to 126,377.76, 174,400.14 and 69,787.92
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Solution
The fourth proportional to 126,377.76, 174,400.14 and 69,787.92 is: 96,306.68
Step by Step Solution
- Step 1: Write the proportion equation
126,377.76 : 174,400.14 = 69,787.92 : x - Step 2: Convert to fraction form
126,377.76/174,400.14 = 69,787.92/x - Step 3: Cross multiply
126,377.76x = 174,400.14 × 69,787.92 - Step 4: Simplify right side
126,377.76x = 12,171,023,018.31 - Step 5: Solve for x
x = 12,171,023,018.31/126,377.76 - Step 6: Final answer
x = 96,306.68
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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.