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Finding the Fourth Proportional to 119,887.44, 179,864.87 and 52,425.39

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Solution

The fourth proportional to 119,887.44, 179,864.87 and 52,425.39 is: 78,652.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,887.44 : 179,864.87 = 52,425.39 : x
  2. Step 2: Convert to fraction form
    119,887.44/179,864.87 = 52,425.39/x
  3. Step 3: Cross multiply
    119,887.44x = 179,864.87 × 52,425.39
  4. Step 4: Simplify right side
    119,887.44x = 9,429,485,694.92
  5. Step 5: Solve for x
    x = 9,429,485,694.92/119,887.44
  6. Step 6: Final answer
    x = 78,652.82

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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.