Home / 221,739.20-332,511.60-88,575.20

Finding the Fourth Proportional to 221,739.20, 332,511.60 and 88,575.20

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Solution

The fourth proportional to 221,739.20, 332,511.60 and 88,575.20 is: 132,823.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,739.20 : 332,511.60 = 88,575.20 : x
  2. Step 2: Convert to fraction form
    221,739.20/332,511.60 = 88,575.20/x
  3. Step 3: Cross multiply
    221,739.20x = 332,511.60 × 88,575.20
  4. Step 4: Simplify right side
    221,739.20x = 29,452,281,472.32
  5. Step 5: Solve for x
    x = 29,452,281,472.32/221,739.20
  6. Step 6: Final answer
    x = 132,823.97

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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.