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Finding the Fourth Proportional to 113,890.92, 170,872.92 and 54,730.88

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Solution

The fourth proportional to 113,890.92, 170,872.92 and 54,730.88 is: 82,113.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,890.92 : 170,872.92 = 54,730.88 : x
  2. Step 2: Convert to fraction form
    113,890.92/170,872.92 = 54,730.88/x
  3. Step 3: Cross multiply
    113,890.92x = 170,872.92 × 54,730.88
  4. Step 4: Simplify right side
    113,890.92x = 9,352,025,279.77
  5. Step 5: Solve for x
    x = 9,352,025,279.77/113,890.92
  6. Step 6: Final answer
    x = 82,113.88

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