Home / 127,105.20-175,397.40-69,732.90

Finding the Fourth Proportional to 127,105.20, 175,397.40 and 69,732.90

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Solution

The fourth proportional to 127,105.20, 175,397.40 and 69,732.90 is: 96,227.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,105.20 : 175,397.40 = 69,732.90 : x
  2. Step 2: Convert to fraction form
    127,105.20/175,397.40 = 69,732.90/x
  3. Step 3: Cross multiply
    127,105.20x = 175,397.40 × 69,732.90
  4. Step 4: Simplify right side
    127,105.20x = 12,230,969,354.46
  5. Step 5: Solve for x
    x = 12,230,969,354.46/127,105.20
  6. Step 6: Final answer
    x = 96,227.14

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1.5x scale

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.