Home / 84,626.30-126,182.86-82,301.24

Finding the Fourth Proportional to 84,626.30, 126,182.86 and 82,301.24

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Solution

The fourth proportional to 84,626.30, 126,182.86 and 82,301.24 is: 122,716.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,626.30 : 126,182.86 = 82,301.24 : x
  2. Step 2: Convert to fraction form
    84,626.30/126,182.86 = 82,301.24/x
  3. Step 3: Cross multiply
    84,626.30x = 126,182.86 × 82,301.24
  4. Step 4: Simplify right side
    84,626.30x = 10,385,006,221.94
  5. Step 5: Solve for x
    x = 10,385,006,221.94/84,626.30
  6. Step 6: Final answer
    x = 122,716.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.