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Finding the Fourth Proportional to 80,184.87, 120,335.63 and 35,861.67

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Solution

The fourth proportional to 80,184.87, 120,335.63 and 35,861.67 is: 53,818.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,184.87 : 120,335.63 = 35,861.67 : x
  2. Step 2: Convert to fraction form
    80,184.87/120,335.63 = 35,861.67/x
  3. Step 3: Cross multiply
    80,184.87x = 120,335.63 × 35,861.67
  4. Step 4: Simplify right side
    80,184.87x = 4,315,436,472.99
  5. Step 5: Solve for x
    x = 4,315,436,472.99/80,184.87
  6. Step 6: Final answer
    x = 53,818.59

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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.