Home / 445,023.54-667,486.28-125,185.57

Finding the Fourth Proportional to 445,023.54, 667,486.28 and 125,185.57

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Solution

The fourth proportional to 445,023.54, 667,486.28 and 125,185.57 is: 187,764.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,023.54 : 667,486.28 = 125,185.57 : x
  2. Step 2: Convert to fraction form
    445,023.54/667,486.28 = 125,185.57/x
  3. Step 3: Cross multiply
    445,023.54x = 667,486.28 × 125,185.57
  4. Step 4: Simplify right side
    445,023.54x = 83,559,649,073.23
  5. Step 5: Solve for x
    x = 83,559,649,073.23/445,023.54
  6. Step 6: Final answer
    x = 187,764.56

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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.