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Finding the Fourth Proportional to 192,167.30, 287,862.15 and 133,069.70

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Solution

The fourth proportional to 192,167.30, 287,862.15 and 133,069.70 is: 199,335.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,167.30 : 287,862.15 = 133,069.70 : x
  2. Step 2: Convert to fraction form
    192,167.30/287,862.15 = 133,069.70/x
  3. Step 3: Cross multiply
    192,167.30x = 287,862.15 × 133,069.70
  4. Step 4: Simplify right side
    192,167.30x = 38,305,729,941.86
  5. Step 5: Solve for x
    x = 38,305,729,941.86/192,167.30
  6. Step 6: Final answer
    x = 199,335.32

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