Home / 195,311.56-292,632.50-131,149.43

Finding the Fourth Proportional to 195,311.56, 292,632.50 and 131,149.43

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Solution

The fourth proportional to 195,311.56, 292,632.50 and 131,149.43 is: 196,499.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,311.56 : 292,632.50 = 131,149.43 : x
  2. Step 2: Convert to fraction form
    195,311.56/292,632.50 = 131,149.43/x
  3. Step 3: Cross multiply
    195,311.56x = 292,632.50 × 131,149.43
  4. Step 4: Simplify right side
    195,311.56x = 38,378,585,650.31
  5. Step 5: Solve for x
    x = 38,378,585,650.31/195,311.56
  6. Step 6: Final answer
    x = 196,499.31

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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.