Home / 99,992.26-149,989.20-29,872.18

Finding the Fourth Proportional to 99,992.26, 149,989.20 and 29,872.18

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Solution

The fourth proportional to 99,992.26, 149,989.20 and 29,872.18 is: 44,808.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,992.26 : 149,989.20 = 29,872.18 : x
  2. Step 2: Convert to fraction form
    99,992.26/149,989.20 = 29,872.18/x
  3. Step 3: Cross multiply
    99,992.26x = 149,989.20 × 29,872.18
  4. Step 4: Simplify right side
    99,992.26x = 4,480,504,380.46
  5. Step 5: Solve for x
    x = 4,480,504,380.46/99,992.26
  6. Step 6: Final answer
    x = 44,808.51

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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.