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Finding the Fourth Proportional to 80,184.44, 120,279.72 and 35,811.56

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Solution

The fourth proportional to 80,184.44, 120,279.72 and 35,811.56 is: 53,718.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,184.44 : 120,279.72 = 35,811.56 : x
  2. Step 2: Convert to fraction form
    80,184.44/120,279.72 = 35,811.56/x
  3. Step 3: Cross multiply
    80,184.44x = 120,279.72 × 35,811.56
  4. Step 4: Simplify right side
    80,184.44x = 4,307,404,409.56
  5. Step 5: Solve for x
    x = 4,307,404,409.56/80,184.44
  6. Step 6: Final answer
    x = 53,718.71

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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.