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Finding the Fourth Proportional to 96,726.80, 145,414.20 and 83,896.40

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Solution

The fourth proportional to 96,726.80, 145,414.20 and 83,896.40 is: 126,125.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,726.80 : 145,414.20 = 83,896.40 : x
  2. Step 2: Convert to fraction form
    96,726.80/145,414.20 = 83,896.40/x
  3. Step 3: Cross multiply
    96,726.80x = 145,414.20 × 83,896.40
  4. Step 4: Simplify right side
    96,726.80x = 12,199,727,888.88
  5. Step 5: Solve for x
    x = 12,199,727,888.88/96,726.80
  6. Step 6: Final answer
    x = 126,125.62

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