Home / 444,749.06-667,188.59-129,164.96

Finding the Fourth Proportional to 444,749.06, 667,188.59 and 129,164.96

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Solution

The fourth proportional to 444,749.06, 667,188.59 and 129,164.96 is: 193,766.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,749.06 : 667,188.59 = 129,164.96 : x
  2. Step 2: Convert to fraction form
    444,749.06/667,188.59 = 129,164.96/x
  3. Step 3: Cross multiply
    444,749.06x = 667,188.59 × 129,164.96
  4. Step 4: Simplify right side
    444,749.06x = 86,177,383,558.04
  5. Step 5: Solve for x
    x = 86,177,383,558.04/444,749.06
  6. Step 6: Final answer
    x = 193,766.31

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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.