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Finding the Fourth Proportional to 192,092.80, 288,139.20 and 125,737.60

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Solution

The fourth proportional to 192,092.80, 288,139.20 and 125,737.60 is: 188,606.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,092.80 : 288,139.20 = 125,737.60 : x
  2. Step 2: Convert to fraction form
    192,092.80/288,139.20 = 125,737.60/x
  3. Step 3: Cross multiply
    192,092.80x = 288,139.20 × 125,737.60
  4. Step 4: Simplify right side
    192,092.80x = 36,229,931,473.92
  5. Step 5: Solve for x
    x = 36,229,931,473.92/192,092.80
  6. Step 6: Final answer
    x = 188,606.40

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