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Finding the Fourth Proportional to 110,447.80, 165,671.70 and 80,704.60

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Solution

The fourth proportional to 110,447.80, 165,671.70 and 80,704.60 is: 121,056.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,447.80 : 165,671.70 = 80,704.60 : x
  2. Step 2: Convert to fraction form
    110,447.80/165,671.70 = 80,704.60/x
  3. Step 3: Cross multiply
    110,447.80x = 165,671.70 × 80,704.60
  4. Step 4: Simplify right side
    110,447.80x = 13,370,468,279.82
  5. Step 5: Solve for x
    x = 13,370,468,279.82/110,447.80
  6. Step 6: Final answer
    x = 121,056.90

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