Home / 138,268.92-207,357.26-54,007.24

Finding the Fourth Proportional to 138,268.92, 207,357.26 and 54,007.24

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Solution

The fourth proportional to 138,268.92, 207,357.26 and 54,007.24 is: 80,992.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,268.92 : 207,357.26 = 54,007.24 : x
  2. Step 2: Convert to fraction form
    138,268.92/207,357.26 = 54,007.24/x
  3. Step 3: Cross multiply
    138,268.92x = 207,357.26 × 54,007.24
  4. Step 4: Simplify right side
    138,268.92x = 11,198,793,306.56
  5. Step 5: Solve for x
    x = 11,198,793,306.56/138,268.92
  6. Step 6: Final answer
    x = 80,992.85

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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.