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Finding the Fourth Proportional to 137,725.20, 206,616.60 and 44,240.40

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Solution

The fourth proportional to 137,725.20, 206,616.60 and 44,240.40 is: 66,369.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,725.20 : 206,616.60 = 44,240.40 : x
  2. Step 2: Convert to fraction form
    137,725.20/206,616.60 = 44,240.40/x
  3. Step 3: Cross multiply
    137,725.20x = 206,616.60 × 44,240.40
  4. Step 4: Simplify right side
    137,725.20x = 9,140,801,030.64
  5. Step 5: Solve for x
    x = 9,140,801,030.64/137,725.20
  6. Step 6: Final answer
    x = 66,369.85

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