Home / 84,132.78-126,196.41-34,198.14

Finding the Fourth Proportional to 84,132.78, 126,196.41 and 34,198.14

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Solution

The fourth proportional to 84,132.78, 126,196.41 and 34,198.14 is: 51,296.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,132.78 : 126,196.41 = 34,198.14 : x
  2. Step 2: Convert to fraction form
    84,132.78/126,196.41 = 34,198.14/x
  3. Step 3: Cross multiply
    84,132.78x = 126,196.41 × 34,198.14
  4. Step 4: Simplify right side
    84,132.78x = 4,315,682,496.68
  5. Step 5: Solve for x
    x = 4,315,682,496.68/84,132.78
  6. Step 6: Final answer
    x = 51,296.09

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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.