Home / 168,404.30-252,435.51-143,825.15

Finding the Fourth Proportional to 168,404.30, 252,435.51 and 143,825.15

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Solution

The fourth proportional to 168,404.30, 252,435.51 and 143,825.15 is: 215,591.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,404.30 : 252,435.51 = 143,825.15 : x
  2. Step 2: Convert to fraction form
    168,404.30/252,435.51 = 143,825.15/x
  3. Step 3: Cross multiply
    168,404.30x = 252,435.51 × 143,825.15
  4. Step 4: Simplify right side
    168,404.30x = 36,306,573,828.90
  5. Step 5: Solve for x
    x = 36,306,573,828.90/168,404.30
  6. Step 6: Final answer
    x = 215,591.73

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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.