Home / 221,450.22-332,182.76-71,691.75

Finding the Fourth Proportional to 221,450.22, 332,182.76 and 71,691.75

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Solution

The fourth proportional to 221,450.22, 332,182.76 and 71,691.75 is: 107,540.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,450.22 : 332,182.76 = 71,691.75 : x
  2. Step 2: Convert to fraction form
    221,450.22/332,182.76 = 71,691.75/x
  3. Step 3: Cross multiply
    221,450.22x = 332,182.76 × 71,691.75
  4. Step 4: Simplify right side
    221,450.22x = 23,814,763,025.77
  5. Step 5: Solve for x
    x = 23,814,763,025.77/221,450.22
  6. Step 6: Final answer
    x = 107,540.03

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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.