Home / 138,261.25-207,472.38-58,294.20

Finding the Fourth Proportional to 138,261.25, 207,472.38 and 58,294.20

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Solution

The fourth proportional to 138,261.25, 207,472.38 and 58,294.20 is: 87,475.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,261.25 : 207,472.38 = 58,294.20 : x
  2. Step 2: Convert to fraction form
    138,261.25/207,472.38 = 58,294.20/x
  3. Step 3: Cross multiply
    138,261.25x = 207,472.38 × 58,294.20
  4. Step 4: Simplify right side
    138,261.25x = 12,094,436,122.73
  5. Step 5: Solve for x
    x = 12,094,436,122.73/138,261.25
  6. Step 6: Final answer
    x = 87,475.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.