Home / 221,989.28-332,982.09-95,718.78

Finding the Fourth Proportional to 221,989.28, 332,982.09 and 95,718.78

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Solution

The fourth proportional to 221,989.28, 332,982.09 and 95,718.78 is: 143,577.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,989.28 : 332,982.09 = 95,718.78 : x
  2. Step 2: Convert to fraction form
    221,989.28/332,982.09 = 95,718.78/x
  3. Step 3: Cross multiply
    221,989.28x = 332,982.09 × 95,718.78
  4. Step 4: Simplify right side
    221,989.28x = 31,872,639,416.65
  5. Step 5: Solve for x
    x = 31,872,639,416.65/221,989.28
  6. Step 6: Final answer
    x = 143,577.38

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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.