Home / 255,514.38-352,609.83-148,146.78

Finding the Fourth Proportional to 255,514.38, 352,609.83 and 148,146.78

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Solution

The fourth proportional to 255,514.38, 352,609.83 and 148,146.78 is: 204,442.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,514.38 : 352,609.83 = 148,146.78 : x
  2. Step 2: Convert to fraction form
    255,514.38/352,609.83 = 148,146.78/x
  3. Step 3: Cross multiply
    255,514.38x = 352,609.83 × 148,146.78
  4. Step 4: Simplify right side
    255,514.38x = 52,238,010,910.85
  5. Step 5: Solve for x
    x = 52,238,010,910.85/255,514.38
  6. Step 6: Final answer
    x = 204,442.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.