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Finding the Fourth Proportional to 138,141, 207,165.94 and 44,624.88

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Solution

The fourth proportional to 138,141, 207,165.94 and 44,624.88 is: 66,922.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,141 : 207,165.94 = 44,624.88 : x
  2. Step 2: Convert to fraction form
    138,141/207,165.94 = 44,624.88/x
  3. Step 3: Cross multiply
    138,141x = 207,165.94 × 44,624.88
  4. Step 4: Simplify right side
    138,141x = 9,244,755,101.03
  5. Step 5: Solve for x
    x = 9,244,755,101.03/138,141
  6. Step 6: Final answer
    x = 66,922.60

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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.