Home / 138,890.73-208,293.15-50,132.97

Finding the Fourth Proportional to 138,890.73, 208,293.15 and 50,132.97

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Solution

The fourth proportional to 138,890.73, 208,293.15 and 50,132.97 is: 75,183.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,890.73 : 208,293.15 = 50,132.97 : x
  2. Step 2: Convert to fraction form
    138,890.73/208,293.15 = 50,132.97/x
  3. Step 3: Cross multiply
    138,890.73x = 208,293.15 × 50,132.97
  4. Step 4: Simplify right side
    138,890.73x = 10,442,354,240.16
  5. Step 5: Solve for x
    x = 10,442,354,240.16/138,890.73
  6. Step 6: Final answer
    x = 75,183.95

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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.