Home / 170,480.20-255,719.94-45,821.20

Finding the Fourth Proportional to 170,480.20, 255,719.94 and 45,821.20

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Solution

The fourth proportional to 170,480.20, 255,719.94 and 45,821.20 is: 68,731.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,480.20 : 255,719.94 = 45,821.20 : x
  2. Step 2: Convert to fraction form
    170,480.20/255,719.94 = 45,821.20/x
  3. Step 3: Cross multiply
    170,480.20x = 255,719.94 × 45,821.20
  4. Step 4: Simplify right side
    170,480.20x = 11,717,394,514.73
  5. Step 5: Solve for x
    x = 11,717,394,514.73/170,480.20
  6. Step 6: Final answer
    x = 68,731.70

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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.