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Finding the Fourth Proportional to 110,511.20, 165,766.80 and 27,405.20

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Solution

The fourth proportional to 110,511.20, 165,766.80 and 27,405.20 is: 41,107.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,511.20 : 165,766.80 = 27,405.20 : x
  2. Step 2: Convert to fraction form
    110,511.20/165,766.80 = 27,405.20/x
  3. Step 3: Cross multiply
    110,511.20x = 165,766.80 × 27,405.20
  4. Step 4: Simplify right side
    110,511.20x = 4,542,872,307.36
  5. Step 5: Solve for x
    x = 4,542,872,307.36/110,511.20
  6. Step 6: Final answer
    x = 41,107.80

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