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Finding the Fourth Proportional to 117,787.28, 176,613.78 and 80,392.62

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Solution

The fourth proportional to 117,787.28, 176,613.78 and 80,392.62 is: 120,543.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,787.28 : 176,613.78 = 80,392.62 : x
  2. Step 2: Convert to fraction form
    117,787.28/176,613.78 = 80,392.62/x
  3. Step 3: Cross multiply
    117,787.28x = 176,613.78 × 80,392.62
  4. Step 4: Simplify right side
    117,787.28x = 14,198,444,472.63
  5. Step 5: Solve for x
    x = 14,198,444,472.63/117,787.28
  6. Step 6: Final answer
    x = 120,543.10

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