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Finding the Fourth Proportional to 127,901.66, 176,517.46 and 81,366.80

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Solution

The fourth proportional to 127,901.66, 176,517.46 and 81,366.80 is: 112,294.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,901.66 : 176,517.46 = 81,366.80 : x
  2. Step 2: Convert to fraction form
    127,901.66/176,517.46 = 81,366.80/x
  3. Step 3: Cross multiply
    127,901.66x = 176,517.46 × 81,366.80
  4. Step 4: Simplify right side
    127,901.66x = 14,362,660,864.33
  5. Step 5: Solve for x
    x = 14,362,660,864.33/127,901.66
  6. Step 6: Final answer
    x = 112,294.56

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