Home / 80,298.09-120,447.23-24,138.20

Finding the Fourth Proportional to 80,298.09, 120,447.23 and 24,138.20

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Solution

The fourth proportional to 80,298.09, 120,447.23 and 24,138.20 is: 36,207.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,298.09 : 120,447.23 = 24,138.20 : x
  2. Step 2: Convert to fraction form
    80,298.09/120,447.23 = 24,138.20/x
  3. Step 3: Cross multiply
    80,298.09x = 120,447.23 × 24,138.20
  4. Step 4: Simplify right side
    80,298.09x = 2,907,378,604.26
  5. Step 5: Solve for x
    x = 2,907,378,604.26/80,298.09
  6. Step 6: Final answer
    x = 36,207.32

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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.