Home / 138,882.27-208,321.87-44,109.92

Finding the Fourth Proportional to 138,882.27, 208,321.87 and 44,109.92

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Solution

The fourth proportional to 138,882.27, 208,321.87 and 44,109.92 is: 66,164.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,882.27 : 208,321.87 = 44,109.92 : x
  2. Step 2: Convert to fraction form
    138,882.27/208,321.87 = 44,109.92/x
  3. Step 3: Cross multiply
    138,882.27x = 208,321.87 × 44,109.92
  4. Step 4: Simplify right side
    138,882.27x = 9,189,060,258.67
  5. Step 5: Solve for x
    x = 9,189,060,258.67/138,882.27
  6. Step 6: Final answer
    x = 66,164.39

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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.