Home / 117,414.20-176,146.14-38,521.82

Finding the Fourth Proportional to 117,414.20, 176,146.14 and 38,521.82

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Solution

The fourth proportional to 117,414.20, 176,146.14 and 38,521.82 is: 57,790.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,414.20 : 176,146.14 = 38,521.82 : x
  2. Step 2: Convert to fraction form
    117,414.20/176,146.14 = 38,521.82/x
  3. Step 3: Cross multiply
    117,414.20x = 176,146.14 × 38,521.82
  4. Step 4: Simplify right side
    117,414.20x = 6,785,469,898.77
  5. Step 5: Solve for x
    x = 6,785,469,898.77/117,414.20
  6. Step 6: Final answer
    x = 57,790.88

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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.