Home / 150,442.62-225,515.49-71,612.21

Finding the Fourth Proportional to 150,442.62, 225,515.49 and 71,612.21

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Solution

The fourth proportional to 150,442.62, 225,515.49 and 71,612.21 is: 107,347.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,442.62 : 225,515.49 = 71,612.21 : x
  2. Step 2: Convert to fraction form
    150,442.62/225,515.49 = 71,612.21/x
  3. Step 3: Cross multiply
    150,442.62x = 225,515.49 × 71,612.21
  4. Step 4: Simplify right side
    150,442.62x = 16,149,661,500.56
  5. Step 5: Solve for x
    x = 16,149,661,500.56/150,442.62
  6. Step 6: Final answer
    x = 107,347.65

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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.