Home / 80,199.24-120,302.82-21,035.04

Finding the Fourth Proportional to 80,199.24, 120,302.82 and 21,035.04

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Solution

The fourth proportional to 80,199.24, 120,302.82 and 21,035.04 is: 31,553.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,199.24 : 120,302.82 = 21,035.04 : x
  2. Step 2: Convert to fraction form
    80,199.24/120,302.82 = 21,035.04/x
  3. Step 3: Cross multiply
    80,199.24x = 120,302.82 × 21,035.04
  4. Step 4: Simplify right side
    80,199.24x = 2,530,574,630.81
  5. Step 5: Solve for x
    x = 2,530,574,630.81/80,199.24
  6. Step 6: Final answer
    x = 31,553.60

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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.