Home / 150,380.10-225,324.05-91,035.90

Finding the Fourth Proportional to 150,380.10, 225,324.05 and 91,035.90

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Solution

The fourth proportional to 150,380.10, 225,324.05 and 91,035.90 is: 136,404.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,380.10 : 225,324.05 = 91,035.90 : x
  2. Step 2: Convert to fraction form
    150,380.10/225,324.05 = 91,035.90/x
  3. Step 3: Cross multiply
    150,380.10x = 225,324.05 × 91,035.90
  4. Step 4: Simplify right side
    150,380.10x = 20,512,577,228.22
  5. Step 5: Solve for x
    x = 20,512,577,228.22/150,380.10
  6. Step 6: Final answer
    x = 136,404.86

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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.