Home / 84,157.82-126,148.12-27,982.83

Finding the Fourth Proportional to 84,157.82, 126,148.12 and 27,982.83

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Solution

The fourth proportional to 84,157.82, 126,148.12 and 27,982.83 is: 41,944.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,157.82 : 126,148.12 = 27,982.83 : x
  2. Step 2: Convert to fraction form
    84,157.82/126,148.12 = 27,982.83/x
  3. Step 3: Cross multiply
    84,157.82x = 126,148.12 × 27,982.83
  4. Step 4: Simplify right side
    84,157.82x = 3,529,981,799.88
  5. Step 5: Solve for x
    x = 3,529,981,799.88/84,157.82
  6. Step 6: Final answer
    x = 41,944.79

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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.