Home / 250,081.19-374,933.13-81,500.85

Finding the Fourth Proportional to 250,081.19, 374,933.13 and 81,500.85

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Solution

The fourth proportional to 250,081.19, 374,933.13 and 81,500.85 is: 122,189.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,081.19 : 374,933.13 = 81,500.85 : x
  2. Step 2: Convert to fraction form
    250,081.19/374,933.13 = 81,500.85/x
  3. Step 3: Cross multiply
    250,081.19x = 374,933.13 × 81,500.85
  4. Step 4: Simplify right side
    250,081.19x = 30,557,368,788.16
  5. Step 5: Solve for x
    x = 30,557,368,788.16/250,081.19
  6. Step 6: Final answer
    x = 122,189.79

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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.