Home / 276,691.46-415,052.19-87,166.76

Finding the Fourth Proportional to 276,691.46, 415,052.19 and 87,166.76

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Solution

The fourth proportional to 276,691.46, 415,052.19 and 87,166.76 is: 130,754.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,691.46 : 415,052.19 = 87,166.76 : x
  2. Step 2: Convert to fraction form
    276,691.46/415,052.19 = 87,166.76/x
  3. Step 3: Cross multiply
    276,691.46x = 415,052.19 × 87,166.76
  4. Step 4: Simplify right side
    276,691.46x = 36,178,752,557.94
  5. Step 5: Solve for x
    x = 36,178,752,557.94/276,691.46
  6. Step 6: Final answer
    x = 130,754.86

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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.