Home / 138,060.28-207,079.48-49,304.53

Finding the Fourth Proportional to 138,060.28, 207,079.48 and 49,304.53

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Solution

The fourth proportional to 138,060.28, 207,079.48 and 49,304.53 is: 73,952.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,060.28 : 207,079.48 = 49,304.53 : x
  2. Step 2: Convert to fraction form
    138,060.28/207,079.48 = 49,304.53/x
  3. Step 3: Cross multiply
    138,060.28x = 207,079.48 × 49,304.53
  4. Step 4: Simplify right side
    138,060.28x = 10,209,956,434.04
  5. Step 5: Solve for x
    x = 10,209,956,434.04/138,060.28
  6. Step 6: Final answer
    x = 73,952.89

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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.