Home / 91,538.87-137,330.24-38,201.18

Finding the Fourth Proportional to 91,538.87, 137,330.24 and 38,201.18

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Solution

The fourth proportional to 91,538.87, 137,330.24 and 38,201.18 is: 57,310.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,538.87 : 137,330.24 = 38,201.18 : x
  2. Step 2: Convert to fraction form
    91,538.87/137,330.24 = 38,201.18/x
  3. Step 3: Cross multiply
    91,538.87x = 137,330.24 × 38,201.18
  4. Step 4: Simplify right side
    91,538.87x = 5,246,176,340.03
  5. Step 5: Solve for x
    x = 5,246,176,340.03/91,538.87
  6. Step 6: Final answer
    x = 57,310.92

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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.