Home / 252,231.75-378,249.18-110,120.49

Finding the Fourth Proportional to 252,231.75, 378,249.18 and 110,120.49

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Solution

The fourth proportional to 252,231.75, 378,249.18 and 110,120.49 is: 165,137.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,231.75 : 378,249.18 = 110,120.49 : x
  2. Step 2: Convert to fraction form
    252,231.75/378,249.18 = 110,120.49/x
  3. Step 3: Cross multiply
    252,231.75x = 378,249.18 × 110,120.49
  4. Step 4: Simplify right side
    252,231.75x = 41,652,985,043.70
  5. Step 5: Solve for x
    x = 41,652,985,043.70/252,231.75
  6. Step 6: Final answer
    x = 165,137.76

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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.