Home / 172,255.05-258,388.34-59,944.70

Finding the Fourth Proportional to 172,255.05, 258,388.34 and 59,944.70

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Solution

The fourth proportional to 172,255.05, 258,388.34 and 59,944.70 is: 89,919.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,255.05 : 258,388.34 = 59,944.70 : x
  2. Step 2: Convert to fraction form
    172,255.05/258,388.34 = 59,944.70/x
  3. Step 3: Cross multiply
    172,255.05x = 258,388.34 × 59,944.70
  4. Step 4: Simplify right side
    172,255.05x = 15,489,011,524.80
  5. Step 5: Solve for x
    x = 15,489,011,524.80/172,255.05
  6. Step 6: Final answer
    x = 89,919.06

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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.