Home / 235,112.20-352,514.94-85,324.12

Finding the Fourth Proportional to 235,112.20, 352,514.94 and 85,324.12

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Solution

The fourth proportional to 235,112.20, 352,514.94 and 85,324.12 is: 127,930.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,112.20 : 352,514.94 = 85,324.12 : x
  2. Step 2: Convert to fraction form
    235,112.20/352,514.94 = 85,324.12/x
  3. Step 3: Cross multiply
    235,112.20x = 352,514.94 × 85,324.12
  4. Step 4: Simplify right side
    235,112.20x = 30,078,027,042.35
  5. Step 5: Solve for x
    x = 30,078,027,042.35/235,112.20
  6. Step 6: Final answer
    x = 127,930.52

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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.