Home / 80,633.82-120,909.06-36,222.60

Finding the Fourth Proportional to 80,633.82, 120,909.06 and 36,222.60

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Solution

The fourth proportional to 80,633.82, 120,909.06 and 36,222.60 is: 54,315.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,633.82 : 120,909.06 = 36,222.60 : x
  2. Step 2: Convert to fraction form
    80,633.82/120,909.06 = 36,222.60/x
  3. Step 3: Cross multiply
    80,633.82x = 120,909.06 × 36,222.60
  4. Step 4: Simplify right side
    80,633.82x = 4,379,640,516.76
  5. Step 5: Solve for x
    x = 4,379,640,516.76/80,633.82
  6. Step 6: Final answer
    x = 54,315.18

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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.