Home / 231,331.20-346,624.20-131,193.60

Finding the Fourth Proportional to 231,331.20, 346,624.20 and 131,193.60

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Solution

The fourth proportional to 231,331.20, 346,624.20 and 131,193.60 is: 196,579.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,331.20 : 346,624.20 = 131,193.60 : x
  2. Step 2: Convert to fraction form
    231,331.20/346,624.20 = 131,193.60/x
  3. Step 3: Cross multiply
    231,331.20x = 346,624.20 × 131,193.60
  4. Step 4: Simplify right side
    231,331.20x = 45,474,876,645.12
  5. Step 5: Solve for x
    x = 45,474,876,645.12/231,331.20
  6. Step 6: Final answer
    x = 196,579.09

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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.