Home / 137,704.91-206,391.26-71,108.73

Finding the Fourth Proportional to 137,704.91, 206,391.26 and 71,108.73

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Solution

The fourth proportional to 137,704.91, 206,391.26 and 71,108.73 is: 106,577.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,704.91 : 206,391.26 = 71,108.73 : x
  2. Step 2: Convert to fraction form
    137,704.91/206,391.26 = 71,108.73/x
  3. Step 3: Cross multiply
    137,704.91x = 206,391.26 × 71,108.73
  4. Step 4: Simplify right side
    137,704.91x = 14,676,220,559.47
  5. Step 5: Solve for x
    x = 14,676,220,559.47/137,704.91
  6. Step 6: Final answer
    x = 106,577.33

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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.