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Finding the Fourth Proportional to 80,240.70, 120,183.48 and 54,879.99

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Solution

The fourth proportional to 80,240.70, 120,183.48 and 54,879.99 is: 82,198.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,240.70 : 120,183.48 = 54,879.99 : x
  2. Step 2: Convert to fraction form
    80,240.70/120,183.48 = 54,879.99/x
  3. Step 3: Cross multiply
    80,240.70x = 120,183.48 × 54,879.99
  4. Step 4: Simplify right side
    80,240.70x = 6,595,668,180.57
  5. Step 5: Solve for x
    x = 6,595,668,180.57/80,240.70
  6. Step 6: Final answer
    x = 82,198.54

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