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Finding the Fourth Proportional to 192,191.52, 288,287.28 and 87,008.16

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Solution

The fourth proportional to 192,191.52, 288,287.28 and 87,008.16 is: 130,512.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,191.52 : 288,287.28 = 87,008.16 : x
  2. Step 2: Convert to fraction form
    192,191.52/288,287.28 = 87,008.16/x
  3. Step 3: Cross multiply
    192,191.52x = 288,287.28 × 87,008.16
  4. Step 4: Simplify right side
    192,191.52x = 25,083,345,784.20
  5. Step 5: Solve for x
    x = 25,083,345,784.20/192,191.52
  6. Step 6: Final answer
    x = 130,512.24

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