Home / 126,984.82-190,404.33-38,212.06

Finding the Fourth Proportional to 126,984.82, 190,404.33 and 38,212.06

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Solution

The fourth proportional to 126,984.82, 190,404.33 and 38,212.06 is: 57,296.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,984.82 : 190,404.33 = 38,212.06 : x
  2. Step 2: Convert to fraction form
    126,984.82/190,404.33 = 38,212.06/x
  3. Step 3: Cross multiply
    126,984.82x = 190,404.33 × 38,212.06
  4. Step 4: Simplify right side
    126,984.82x = 7,275,741,682.22
  5. Step 5: Solve for x
    x = 7,275,741,682.22/126,984.82
  6. Step 6: Final answer
    x = 57,296.15

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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.