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Finding the Fourth Proportional to 150,367.68, 225,519.68 and 89,604.84

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Solution

The fourth proportional to 150,367.68, 225,519.68 and 89,604.84 is: 134,388.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,367.68 : 225,519.68 = 89,604.84 : x
  2. Step 2: Convert to fraction form
    150,367.68/225,519.68 = 89,604.84/x
  3. Step 3: Cross multiply
    150,367.68x = 225,519.68 × 89,604.84
  4. Step 4: Simplify right side
    150,367.68x = 20,207,654,843.25
  5. Step 5: Solve for x
    x = 20,207,654,843.25/150,367.68
  6. Step 6: Final answer
    x = 134,388.29

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1.5x scale

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.