Home / 80,104.20-120,162.71-23,940.21

Finding the Fourth Proportional to 80,104.20, 120,162.71 and 23,940.21

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Solution

The fourth proportional to 80,104.20, 120,162.71 and 23,940.21 is: 35,912.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,104.20 : 120,162.71 = 23,940.21 : x
  2. Step 2: Convert to fraction form
    80,104.20/120,162.71 = 23,940.21/x
  3. Step 3: Cross multiply
    80,104.20x = 120,162.71 × 23,940.21
  4. Step 4: Simplify right side
    80,104.20x = 2,876,720,511.57
  5. Step 5: Solve for x
    x = 2,876,720,511.57/80,104.20
  6. Step 6: Final answer
    x = 35,912.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.