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Finding the Fourth Proportional to 136,520.20, 204,735.74 and 45,311.10

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Solution

The fourth proportional to 136,520.20, 204,735.74 and 45,311.10 is: 67,951.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,520.20 : 204,735.74 = 45,311.10 : x
  2. Step 2: Convert to fraction form
    136,520.20/204,735.74 = 45,311.10/x
  3. Step 3: Cross multiply
    136,520.20x = 204,735.74 × 45,311.10
  4. Step 4: Simplify right side
    136,520.20x = 9,276,800,594.40
  5. Step 5: Solve for x
    x = 9,276,800,594.40/136,520.20
  6. Step 6: Final answer
    x = 67,951.85

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