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Finding the Fourth Proportional to 192,203.52, 288,305.28 and 87,020.16

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Solution

The fourth proportional to 192,203.52, 288,305.28 and 87,020.16 is: 130,530.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,203.52 : 288,305.28 = 87,020.16 : x
  2. Step 2: Convert to fraction form
    192,203.52/288,305.28 = 87,020.16/x
  3. Step 3: Cross multiply
    192,203.52x = 288,305.28 × 87,020.16
  4. Step 4: Simplify right side
    192,203.52x = 25,088,371,594.44
  5. Step 5: Solve for x
    x = 25,088,371,594.44/192,203.52
  6. Step 6: Final answer
    x = 130,530.24

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