Home / 150,423.48-225,512.10-75,453.12

Finding the Fourth Proportional to 150,423.48, 225,512.10 and 75,453.12

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Solution

The fourth proportional to 150,423.48, 225,512.10 and 75,453.12 is: 113,117.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,423.48 : 225,512.10 = 75,453.12 : x
  2. Step 2: Convert to fraction form
    150,423.48/225,512.10 = 75,453.12/x
  3. Step 3: Cross multiply
    150,423.48x = 225,512.10 × 75,453.12
  4. Step 4: Simplify right side
    150,423.48x = 17,015,591,542.75
  5. Step 5: Solve for x
    x = 17,015,591,542.75/150,423.48
  6. Step 6: Final answer
    x = 113,117.92

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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.