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Finding the Fourth Proportional to 120,936.74, 166,881.09 and 67,218.56

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Solution

The fourth proportional to 120,936.74, 166,881.09 and 67,218.56 is: 92,755.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,936.74 : 166,881.09 = 67,218.56 : x
  2. Step 2: Convert to fraction form
    120,936.74/166,881.09 = 67,218.56/x
  3. Step 3: Cross multiply
    120,936.74x = 166,881.09 × 67,218.56
  4. Step 4: Simplify right side
    120,936.74x = 11,217,505,726.62
  5. Step 5: Solve for x
    x = 11,217,505,726.62/120,936.74
  6. Step 6: Final answer
    x = 92,755.15

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