Home / 80,193.24-120,293.82-21,029.04

Finding the Fourth Proportional to 80,193.24, 120,293.82 and 21,029.04

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Solution

The fourth proportional to 80,193.24, 120,293.82 and 21,029.04 is: 31,544.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,193.24 : 120,293.82 = 21,029.04 : x
  2. Step 2: Convert to fraction form
    80,193.24/120,293.82 = 21,029.04/x
  3. Step 3: Cross multiply
    80,193.24x = 120,293.82 × 21,029.04
  4. Step 4: Simplify right side
    80,193.24x = 2,529,663,552.53
  5. Step 5: Solve for x
    x = 2,529,663,552.53/80,193.24
  6. Step 6: Final answer
    x = 31,544.60

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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.