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Finding the Fourth Proportional to 61,251.75, 91,869.21 and 16,872.12

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Solution

The fourth proportional to 61,251.75, 91,869.21 and 16,872.12 is: 25,305.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,251.75 : 91,869.21 = 16,872.12 : x
  2. Step 2: Convert to fraction form
    61,251.75/91,869.21 = 16,872.12/x
  3. Step 3: Cross multiply
    61,251.75x = 91,869.21 × 16,872.12
  4. Step 4: Simplify right side
    61,251.75x = 1,550,028,335.43
  5. Step 5: Solve for x
    x = 1,550,028,335.43/61,251.75
  6. Step 6: Final answer
    x = 25,305.86

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