Home / 231,026.20-346,280.10-131,234.20

Finding the Fourth Proportional to 231,026.20, 346,280.10 and 131,234.20

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Solution

The fourth proportional to 231,026.20, 346,280.10 and 131,234.20 is: 196,704.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,026.20 : 346,280.10 = 131,234.20 : x
  2. Step 2: Convert to fraction form
    231,026.20/346,280.10 = 131,234.20/x
  3. Step 3: Cross multiply
    231,026.20x = 346,280.10 × 131,234.20
  4. Step 4: Simplify right side
    231,026.20x = 45,443,791,899.42
  5. Step 5: Solve for x
    x = 45,443,791,899.42/231,026.20
  6. Step 6: Final answer
    x = 196,704.06

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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.