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Finding the Fourth Proportional to 165,616.80, 248,425.20 and 54,794.40

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Solution

The fourth proportional to 165,616.80, 248,425.20 and 54,794.40 is: 82,191.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,616.80 : 248,425.20 = 54,794.40 : x
  2. Step 2: Convert to fraction form
    165,616.80/248,425.20 = 54,794.40/x
  3. Step 3: Cross multiply
    165,616.80x = 248,425.20 × 54,794.40
  4. Step 4: Simplify right side
    165,616.80x = 13,612,309,778.88
  5. Step 5: Solve for x
    x = 13,612,309,778.88/165,616.80
  6. Step 6: Final answer
    x = 82,191.60

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