Home / 231,729.20-347,334.60-131,937.20

Finding the Fourth Proportional to 231,729.20, 347,334.60 and 131,937.20

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Solution

The fourth proportional to 231,729.20, 347,334.60 and 131,937.20 is: 197,758.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,729.20 : 347,334.60 = 131,937.20 : x
  2. Step 2: Convert to fraction form
    231,729.20/347,334.60 = 131,937.20/x
  3. Step 3: Cross multiply
    231,729.20x = 347,334.60 × 131,937.20
  4. Step 4: Simplify right side
    231,729.20x = 45,826,354,587.12
  5. Step 5: Solve for x
    x = 45,826,354,587.12/231,729.20
  6. Step 6: Final answer
    x = 197,758.22

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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.