Home / 155,445.38-214,514.62-88,377.38

Finding the Fourth Proportional to 155,445.38, 214,514.62 and 88,377.38

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Solution

The fourth proportional to 155,445.38, 214,514.62 and 88,377.38 is: 121,960.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,445.38 : 214,514.62 = 88,377.38 : x
  2. Step 2: Convert to fraction form
    155,445.38/214,514.62 = 88,377.38/x
  3. Step 3: Cross multiply
    155,445.38x = 214,514.62 × 88,377.38
  4. Step 4: Simplify right side
    155,445.38x = 18,958,238,793.78
  5. Step 5: Solve for x
    x = 18,958,238,793.78/155,445.38
  6. Step 6: Final answer
    x = 121,960.78

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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.