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Finding the Fourth Proportional to 83,233.91, 125,121.52 and 66,774.01

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Solution

The fourth proportional to 83,233.91, 125,121.52 and 66,774.01 is: 100,378.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,233.91 : 125,121.52 = 66,774.01 : x
  2. Step 2: Convert to fraction form
    83,233.91/125,121.52 = 66,774.01/x
  3. Step 3: Cross multiply
    83,233.91x = 125,121.52 × 66,774.01
  4. Step 4: Simplify right side
    83,233.91x = 8,354,865,627.70
  5. Step 5: Solve for x
    x = 8,354,865,627.70/83,233.91
  6. Step 6: Final answer
    x = 100,378.15

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