Home / 141,251.92-194,879.36-80,800.54

Finding the Fourth Proportional to 141,251.92, 194,879.36 and 80,800.54

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Solution

The fourth proportional to 141,251.92, 194,879.36 and 80,800.54 is: 111,477.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,251.92 : 194,879.36 = 80,800.54 : x
  2. Step 2: Convert to fraction form
    141,251.92/194,879.36 = 80,800.54/x
  3. Step 3: Cross multiply
    141,251.92x = 194,879.36 × 80,800.54
  4. Step 4: Simplify right side
    141,251.92x = 15,746,357,522.85
  5. Step 5: Solve for x
    x = 15,746,357,522.85/141,251.92
  6. Step 6: Final answer
    x = 111,477.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.