Home / 150,292.85-225,339.24-90,185.99

Finding the Fourth Proportional to 150,292.85, 225,339.24 and 90,185.99

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Solution

The fourth proportional to 150,292.85, 225,339.24 and 90,185.99 is: 135,218.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,292.85 : 225,339.24 = 90,185.99 : x
  2. Step 2: Convert to fraction form
    150,292.85/225,339.24 = 90,185.99/x
  3. Step 3: Cross multiply
    150,292.85x = 225,339.24 × 90,185.99
  4. Step 4: Simplify right side
    150,292.85x = 20,322,442,445.25
  5. Step 5: Solve for x
    x = 20,322,442,445.25/150,292.85
  6. Step 6: Final answer
    x = 135,218.96

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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.