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Finding the Fourth Proportional to 100,616.01, 138,767.70 and 62,348.97

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Solution

The fourth proportional to 100,616.01, 138,767.70 and 62,348.97 is: 85,990.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,616.01 : 138,767.70 = 62,348.97 : x
  2. Step 2: Convert to fraction form
    100,616.01/138,767.70 = 62,348.97/x
  3. Step 3: Cross multiply
    100,616.01x = 138,767.70 × 62,348.97
  4. Step 4: Simplify right side
    100,616.01x = 8,652,023,164.27
  5. Step 5: Solve for x
    x = 8,652,023,164.27/100,616.01
  6. Step 6: Final answer
    x = 85,990.52

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