Home / 445,042.10-667,556.94-108,085.34

Finding the Fourth Proportional to 445,042.10, 667,556.94 and 108,085.34

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Solution

The fourth proportional to 445,042.10, 667,556.94 and 108,085.34 is: 162,126.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,042.10 : 667,556.94 = 108,085.34 : x
  2. Step 2: Convert to fraction form
    445,042.10/667,556.94 = 108,085.34/x
  3. Step 3: Cross multiply
    445,042.10x = 667,556.94 × 108,085.34
  4. Step 4: Simplify right side
    445,042.10x = 72,153,118,829.26
  5. Step 5: Solve for x
    x = 72,153,118,829.26/445,042.10
  6. Step 6: Final answer
    x = 162,126.50

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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.