Home / 80,198.20-110,676.48-43,902.20

Finding the Fourth Proportional to 80,198.20, 110,676.48 and 43,902.20

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Solution

The fourth proportional to 80,198.20, 110,676.48 and 43,902.20 is: 60,586.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,198.20 : 110,676.48 = 43,902.20 : x
  2. Step 2: Convert to fraction form
    80,198.20/110,676.48 = 43,902.20/x
  3. Step 3: Cross multiply
    80,198.20x = 110,676.48 × 43,902.20
  4. Step 4: Simplify right side
    80,198.20x = 4,858,941,072.31
  5. Step 5: Solve for x
    x = 4,858,941,072.31/80,198.20
  6. Step 6: Final answer
    x = 60,586.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.