Home / 445,042.38-667,556.28-108,085.80

Finding the Fourth Proportional to 445,042.38, 667,556.28 and 108,085.80

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Solution

The fourth proportional to 445,042.38, 667,556.28 and 108,085.80 is: 162,126.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,042.38 : 667,556.28 = 108,085.80 : x
  2. Step 2: Convert to fraction form
    445,042.38/667,556.28 = 108,085.80/x
  3. Step 3: Cross multiply
    445,042.38x = 667,556.28 × 108,085.80
  4. Step 4: Simplify right side
    445,042.38x = 72,153,354,568.82
  5. Step 5: Solve for x
    x = 72,153,354,568.82/445,042.38
  6. Step 6: Final answer
    x = 162,126.93

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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.