Home / 225,625.21-338,105.51-125,648.02

Finding the Fourth Proportional to 225,625.21, 338,105.51 and 125,648.02

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Solution

The fourth proportional to 225,625.21, 338,105.51 and 125,648.02 is: 188,286.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,625.21 : 338,105.51 = 125,648.02 : x
  2. Step 2: Convert to fraction form
    225,625.21/338,105.51 = 125,648.02/x
  3. Step 3: Cross multiply
    225,625.21x = 338,105.51 × 125,648.02
  4. Step 4: Simplify right side
    225,625.21x = 42,482,288,148.16
  5. Step 5: Solve for x
    x = 42,482,288,148.16/225,625.21
  6. Step 6: Final answer
    x = 188,286.98

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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.