Home / 84,131.03-126,220.39-34,246.92

Finding the Fourth Proportional to 84,131.03, 126,220.39 and 34,246.92

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Solution

The fourth proportional to 84,131.03, 126,220.39 and 34,246.92 is: 51,380.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,131.03 : 126,220.39 = 34,246.92 : x
  2. Step 2: Convert to fraction form
    84,131.03/126,220.39 = 34,246.92/x
  3. Step 3: Cross multiply
    84,131.03x = 126,220.39 × 34,246.92
  4. Step 4: Simplify right side
    84,131.03x = 4,322,659,598.70
  5. Step 5: Solve for x
    x = 4,322,659,598.70/84,131.03
  6. Step 6: Final answer
    x = 51,380.09

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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.