Home / 321,168.03-481,759.85-107,939.04

Finding the Fourth Proportional to 321,168.03, 481,759.85 and 107,939.04

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Solution

The fourth proportional to 321,168.03, 481,759.85 and 107,939.04 is: 161,911.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,168.03 : 481,759.85 = 107,939.04 : x
  2. Step 2: Convert to fraction form
    321,168.03/481,759.85 = 107,939.04/x
  3. Step 3: Cross multiply
    321,168.03x = 481,759.85 × 107,939.04
  4. Step 4: Simplify right side
    321,168.03x = 52,000,695,719.54
  5. Step 5: Solve for x
    x = 52,000,695,719.54/321,168.03
  6. Step 6: Final answer
    x = 161,911.18

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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.