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Finding the Fourth Proportional to 123,740.56, 170,761.08 and 67,150.72

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Solution

The fourth proportional to 123,740.56, 170,761.08 and 67,150.72 is: 92,667.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,740.56 : 170,761.08 = 67,150.72 : x
  2. Step 2: Convert to fraction form
    123,740.56/170,761.08 = 67,150.72/x
  3. Step 3: Cross multiply
    123,740.56x = 170,761.08 × 67,150.72
  4. Step 4: Simplify right side
    123,740.56x = 11,466,729,469.98
  5. Step 5: Solve for x
    x = 11,466,729,469.98/123,740.56
  6. Step 6: Final answer
    x = 92,667.51

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