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Finding the Fourth Proportional to 135,175.46, 186,540.19 and 74,744.78

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Solution

The fourth proportional to 135,175.46, 186,540.19 and 74,744.78 is: 103,146.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,175.46 : 186,540.19 = 74,744.78 : x
  2. Step 2: Convert to fraction form
    135,175.46/186,540.19 = 74,744.78/x
  3. Step 3: Cross multiply
    135,175.46x = 186,540.19 × 74,744.78
  4. Step 4: Simplify right side
    135,175.46x = 13,942,904,156.28
  5. Step 5: Solve for x
    x = 13,942,904,156.28/135,175.46
  6. Step 6: Final answer
    x = 103,146.71

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