Home / 221,727.90-332,381.42-71,862.88

Finding the Fourth Proportional to 221,727.90, 332,381.42 and 71,862.88

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Solution

The fourth proportional to 221,727.90, 332,381.42 and 71,862.88 is: 107,726.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,727.90 : 332,381.42 = 71,862.88 : x
  2. Step 2: Convert to fraction form
    221,727.90/332,381.42 = 71,862.88/x
  3. Step 3: Cross multiply
    221,727.90x = 332,381.42 × 71,862.88
  4. Step 4: Simplify right side
    221,727.90x = 23,885,886,099.69
  5. Step 5: Solve for x
    x = 23,885,886,099.69/221,727.90
  6. Step 6: Final answer
    x = 107,726.12

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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.