Home / 80,074.32-120,126.09-26,761.23

Finding the Fourth Proportional to 80,074.32, 120,126.09 and 26,761.23

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Solution

The fourth proportional to 80,074.32, 120,126.09 and 26,761.23 is: 40,146.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,074.32 : 120,126.09 = 26,761.23 : x
  2. Step 2: Convert to fraction form
    80,074.32/120,126.09 = 26,761.23/x
  3. Step 3: Cross multiply
    80,074.32x = 120,126.09 × 26,761.23
  4. Step 4: Simplify right side
    80,074.32x = 3,214,721,923.49
  5. Step 5: Solve for x
    x = 3,214,721,923.49/80,074.32
  6. Step 6: Final answer
    x = 40,146.73

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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.