Home / 295,020.80-442,531.20-108,105.20

Finding the Fourth Proportional to 295,020.80, 442,531.20 and 108,105.20

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Solution

The fourth proportional to 295,020.80, 442,531.20 and 108,105.20 is: 162,157.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,020.80 : 442,531.20 = 108,105.20 : x
  2. Step 2: Convert to fraction form
    295,020.80/442,531.20 = 108,105.20/x
  3. Step 3: Cross multiply
    295,020.80x = 442,531.20 × 108,105.20
  4. Step 4: Simplify right side
    295,020.80x = 47,839,923,882.24
  5. Step 5: Solve for x
    x = 47,839,923,882.24/295,020.80
  6. Step 6: Final answer
    x = 162,157.80

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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.