Home / 195,290.19-292,633.86-131,861.72

Finding the Fourth Proportional to 195,290.19, 292,633.86 and 131,861.72

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Solution

The fourth proportional to 195,290.19, 292,633.86 and 131,861.72 is: 197,589.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,290.19 : 292,633.86 = 131,861.72 : x
  2. Step 2: Convert to fraction form
    195,290.19/292,633.86 = 131,861.72/x
  3. Step 3: Cross multiply
    195,290.19x = 292,633.86 × 131,861.72
  4. Step 4: Simplify right side
    195,290.19x = 38,587,205,335.91
  5. Step 5: Solve for x
    x = 38,587,205,335.91/195,290.19
  6. Step 6: Final answer
    x = 197,589.06

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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.