Home / 80,214.55-120,440.10-44,745.17

Finding the Fourth Proportional to 80,214.55, 120,440.10 and 44,745.17

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Solution

The fourth proportional to 80,214.55, 120,440.10 and 44,745.17 is: 67,183.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,214.55 : 120,440.10 = 44,745.17 : x
  2. Step 2: Convert to fraction form
    80,214.55/120,440.10 = 44,745.17/x
  3. Step 3: Cross multiply
    80,214.55x = 120,440.10 × 44,745.17
  4. Step 4: Simplify right side
    80,214.55x = 5,389,112,749.32
  5. Step 5: Solve for x
    x = 5,389,112,749.32/80,214.55
  6. Step 6: Final answer
    x = 67,183.73

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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.