Home / 150,115.50-225,173.34-71,186.76

Finding the Fourth Proportional to 150,115.50, 225,173.34 and 71,186.76

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Solution

The fourth proportional to 150,115.50, 225,173.34 and 71,186.76 is: 106,780.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,115.50 : 225,173.34 = 71,186.76 : x
  2. Step 2: Convert to fraction form
    150,115.50/225,173.34 = 71,186.76/x
  3. Step 3: Cross multiply
    150,115.50x = 225,173.34 × 71,186.76
  4. Step 4: Simplify right side
    150,115.50x = 16,029,360,512.98
  5. Step 5: Solve for x
    x = 16,029,360,512.98/150,115.50
  6. Step 6: Final answer
    x = 106,780.18

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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.