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Finding the Fourth Proportional to 110,276.40, 165,414.60 and 79,172.40

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Solution

The fourth proportional to 110,276.40, 165,414.60 and 79,172.40 is: 118,758.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,276.40 : 165,414.60 = 79,172.40 : x
  2. Step 2: Convert to fraction form
    110,276.40/165,414.60 = 79,172.40/x
  3. Step 3: Cross multiply
    110,276.40x = 165,414.60 × 79,172.40
  4. Step 4: Simplify right side
    110,276.40x = 13,096,270,877.04
  5. Step 5: Solve for x
    x = 13,096,270,877.04/110,276.40
  6. Step 6: Final answer
    x = 118,758.60

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