Home / 138,098.41-207,124.56-38,268.73

Finding the Fourth Proportional to 138,098.41, 207,124.56 and 38,268.73

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Solution

The fourth proportional to 138,098.41, 207,124.56 and 38,268.73 is: 57,396.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,098.41 : 207,124.56 = 38,268.73 : x
  2. Step 2: Convert to fraction form
    138,098.41/207,124.56 = 38,268.73/x
  3. Step 3: Cross multiply
    138,098.41x = 207,124.56 × 38,268.73
  4. Step 4: Simplify right side
    138,098.41x = 7,926,393,863.01
  5. Step 5: Solve for x
    x = 7,926,393,863.01/138,098.41
  6. Step 6: Final answer
    x = 57,396.71

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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.