Home / 231,010.20-346,515.30-131,131.80

Finding the Fourth Proportional to 231,010.20, 346,515.30 and 131,131.80

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Solution

The fourth proportional to 231,010.20, 346,515.30 and 131,131.80 is: 196,697.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,010.20 : 346,515.30 = 131,131.80 : x
  2. Step 2: Convert to fraction form
    231,010.20/346,515.30 = 131,131.80/x
  3. Step 3: Cross multiply
    231,010.20x = 346,515.30 × 131,131.80
  4. Step 4: Simplify right side
    231,010.20x = 45,439,175,016.54
  5. Step 5: Solve for x
    x = 45,439,175,016.54/231,010.20
  6. Step 6: Final answer
    x = 196,697.70

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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.