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Finding the Fourth Proportional to 115,632.80, 173,449.20 and 108,634.40

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Solution

The fourth proportional to 115,632.80, 173,449.20 and 108,634.40 is: 162,951.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,632.80 : 173,449.20 = 108,634.40 : x
  2. Step 2: Convert to fraction form
    115,632.80/173,449.20 = 108,634.40/x
  3. Step 3: Cross multiply
    115,632.80x = 173,449.20 × 108,634.40
  4. Step 4: Simplify right side
    115,632.80x = 18,842,549,772.48
  5. Step 5: Solve for x
    x = 18,842,549,772.48/115,632.80
  6. Step 6: Final answer
    x = 162,951.60

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