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Finding the Fourth Proportional to 110,272.60, 165,440.34 and 54,129.58

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Solution

The fourth proportional to 110,272.60, 165,440.34 and 54,129.58 is: 81,209.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,272.60 : 165,440.34 = 54,129.58 : x
  2. Step 2: Convert to fraction form
    110,272.60/165,440.34 = 54,129.58/x
  3. Step 3: Cross multiply
    110,272.60x = 165,440.34 × 54,129.58
  4. Step 4: Simplify right side
    110,272.60x = 8,955,216,119.26
  5. Step 5: Solve for x
    x = 8,955,216,119.26/110,272.60
  6. Step 6: Final answer
    x = 81,209.80

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