Home / 250,917.10-376,251.11-90,986.65

Finding the Fourth Proportional to 250,917.10, 376,251.11 and 90,986.65

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Solution

The fourth proportional to 250,917.10, 376,251.11 and 90,986.65 is: 136,434.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,917.10 : 376,251.11 = 90,986.65 : x
  2. Step 2: Convert to fraction form
    250,917.10/376,251.11 = 90,986.65/x
  3. Step 3: Cross multiply
    250,917.10x = 376,251.11 × 90,986.65
  4. Step 4: Simplify right side
    250,917.10x = 34,233,828,057.68
  5. Step 5: Solve for x
    x = 34,233,828,057.68/250,917.10
  6. Step 6: Final answer
    x = 136,434.81

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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.