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Finding the Fourth Proportional to 110,843.60, 166,265.40 and 75,414.20

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Solution

The fourth proportional to 110,843.60, 166,265.40 and 75,414.20 is: 113,121.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,843.60 : 166,265.40 = 75,414.20 : x
  2. Step 2: Convert to fraction form
    110,843.60/166,265.40 = 75,414.20/x
  3. Step 3: Cross multiply
    110,843.60x = 166,265.40 × 75,414.20
  4. Step 4: Simplify right side
    110,843.60x = 12,538,772,128.68
  5. Step 5: Solve for x
    x = 12,538,772,128.68/110,843.60
  6. Step 6: Final answer
    x = 113,121.30

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