Home / 138,882.11-208,280.17-50,124.38

Finding the Fourth Proportional to 138,882.11, 208,280.17 and 50,124.38

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Solution

The fourth proportional to 138,882.11, 208,280.17 and 50,124.38 is: 75,171.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,882.11 : 208,280.17 = 50,124.38 : x
  2. Step 2: Convert to fraction form
    138,882.11/208,280.17 = 50,124.38/x
  3. Step 3: Cross multiply
    138,882.11x = 208,280.17 × 50,124.38
  4. Step 4: Simplify right side
    138,882.11x = 10,439,914,387.54
  5. Step 5: Solve for x
    x = 10,439,914,387.54/138,882.11
  6. Step 6: Final answer
    x = 75,171.05

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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.