Home / 80,205.18-120,283.45-33,447.12

Finding the Fourth Proportional to 80,205.18, 120,283.45 and 33,447.12

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Solution

The fourth proportional to 80,205.18, 120,283.45 and 33,447.12 is: 50,160.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,205.18 : 120,283.45 = 33,447.12 : x
  2. Step 2: Convert to fraction form
    80,205.18/120,283.45 = 33,447.12/x
  3. Step 3: Cross multiply
    80,205.18x = 120,283.45 × 33,447.12
  4. Step 4: Simplify right side
    80,205.18x = 4,023,134,986.16
  5. Step 5: Solve for x
    x = 4,023,134,986.16/80,205.18
  6. Step 6: Final answer
    x = 50,160.54

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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.