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Finding the Fourth Proportional to 114,781.92, 172,182.78 and 31,675.92

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Solution

The fourth proportional to 114,781.92, 172,182.78 and 31,675.92 is: 47,516.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,781.92 : 172,182.78 = 31,675.92 : x
  2. Step 2: Convert to fraction form
    114,781.92/172,182.78 = 31,675.92/x
  3. Step 3: Cross multiply
    114,781.92x = 172,182.78 × 31,675.92
  4. Step 4: Simplify right side
    114,781.92x = 5,454,047,964.66
  5. Step 5: Solve for x
    x = 5,454,047,964.66/114,781.92
  6. Step 6: Final answer
    x = 47,516.61

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