Home / 225,786.09-338,882.18-120,694.89

Finding the Fourth Proportional to 225,786.09, 338,882.18 and 120,694.89

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Solution

The fourth proportional to 225,786.09, 338,882.18 and 120,694.89 is: 181,150.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,786.09 : 338,882.18 = 120,694.89 : x
  2. Step 2: Convert to fraction form
    225,786.09/338,882.18 = 120,694.89/x
  3. Step 3: Cross multiply
    225,786.09x = 338,882.18 × 120,694.89
  4. Step 4: Simplify right side
    225,786.09x = 40,901,346,834.59
  5. Step 5: Solve for x
    x = 40,901,346,834.59/225,786.09
  6. Step 6: Final answer
    x = 181,150.87

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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.