Home / 221,663.20-332,397.60-88,499.20

Finding the Fourth Proportional to 221,663.20, 332,397.60 and 88,499.20

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Solution

The fourth proportional to 221,663.20, 332,397.60 and 88,499.20 is: 132,709.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,663.20 : 332,397.60 = 88,499.20 : x
  2. Step 2: Convert to fraction form
    221,663.20/332,397.60 = 88,499.20/x
  3. Step 3: Cross multiply
    221,663.20x = 332,397.60 × 88,499.20
  4. Step 4: Simplify right side
    221,663.20x = 29,416,921,681.92
  5. Step 5: Solve for x
    x = 29,416,921,681.92/221,663.20
  6. Step 6: Final answer
    x = 132,709.99

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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.