Home / 80,214.05-120,439.35-44,744.67

Finding the Fourth Proportional to 80,214.05, 120,439.35 and 44,744.67

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Solution

The fourth proportional to 80,214.05, 120,439.35 and 44,744.67 is: 67,182.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,214.05 : 120,439.35 = 44,744.67 : x
  2. Step 2: Convert to fraction form
    80,214.05/120,439.35 = 44,744.67/x
  3. Step 3: Cross multiply
    80,214.05x = 120,439.35 × 44,744.67
  4. Step 4: Simplify right side
    80,214.05x = 5,389,018,144.84
  5. Step 5: Solve for x
    x = 5,389,018,144.84/80,214.05
  6. Step 6: Final answer
    x = 67,182.97

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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.