Home / 220,983.60-331,764.48-131,190.24

Finding the Fourth Proportional to 220,983.60, 331,764.48 and 131,190.24

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Solution

The fourth proportional to 220,983.60, 331,764.48 and 131,190.24 is: 196,956.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,983.60 : 331,764.48 = 131,190.24 : x
  2. Step 2: Convert to fraction form
    220,983.60/331,764.48 = 131,190.24/x
  3. Step 3: Cross multiply
    220,983.60x = 331,764.48 × 131,190.24
  4. Step 4: Simplify right side
    220,983.60x = 43,524,261,754.68
  5. Step 5: Solve for x
    x = 43,524,261,754.68/220,983.60
  6. Step 6: Final answer
    x = 196,956.98

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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.