Home / 138,817.28-208,229.94-44,047.88

Finding the Fourth Proportional to 138,817.28, 208,229.94 and 44,047.88

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Solution

The fourth proportional to 138,817.28, 208,229.94 and 44,047.88 is: 66,073.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,817.28 : 208,229.94 = 44,047.88 : x
  2. Step 2: Convert to fraction form
    138,817.28/208,229.94 = 44,047.88/x
  3. Step 3: Cross multiply
    138,817.28x = 208,229.94 × 44,047.88
  4. Step 4: Simplify right side
    138,817.28x = 9,172,087,409.53
  5. Step 5: Solve for x
    x = 9,172,087,409.53/138,817.28
  6. Step 6: Final answer
    x = 66,073.10

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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.