Home / 221,664.20-332,399.10-88,500.20

Finding the Fourth Proportional to 221,664.20, 332,399.10 and 88,500.20

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Solution

The fourth proportional to 221,664.20, 332,399.10 and 88,500.20 is: 132,711.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,664.20 : 332,399.10 = 88,500.20 : x
  2. Step 2: Convert to fraction form
    221,664.20/332,399.10 = 88,500.20/x
  3. Step 3: Cross multiply
    221,664.20x = 332,399.10 × 88,500.20
  4. Step 4: Simplify right side
    221,664.20x = 29,417,386,829.82
  5. Step 5: Solve for x
    x = 29,417,386,829.82/221,664.20
  6. Step 6: Final answer
    x = 132,711.49

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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.