Home / 126,375.92-174,398.10-69,787.28

Finding the Fourth Proportional to 126,375.92, 174,398.10 and 69,787.28

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Solution

The fourth proportional to 126,375.92, 174,398.10 and 69,787.28 is: 96,306.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,375.92 : 174,398.10 = 69,787.28 : x
  2. Step 2: Convert to fraction form
    126,375.92/174,398.10 = 69,787.28/x
  3. Step 3: Cross multiply
    126,375.92x = 174,398.10 × 69,787.28
  4. Step 4: Simplify right side
    126,375.92x = 12,170,769,036.17
  5. Step 5: Solve for x
    x = 12,170,769,036.17/126,375.92
  6. Step 6: Final answer
    x = 96,306.08

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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.