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Finding the Fourth Proportional to 96,016.80, 144,025.20 and 80,270.40

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Solution

The fourth proportional to 96,016.80, 144,025.20 and 80,270.40 is: 120,405.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,016.80 : 144,025.20 = 80,270.40 : x
  2. Step 2: Convert to fraction form
    96,016.80/144,025.20 = 80,270.40/x
  3. Step 3: Cross multiply
    96,016.80x = 144,025.20 × 80,270.40
  4. Step 4: Simplify right side
    96,016.80x = 11,560,960,414.08
  5. Step 5: Solve for x
    x = 11,560,960,414.08/96,016.80
  6. Step 6: Final answer
    x = 120,405.60

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