Home / 84,626.64-126,183.37-82,301.59

Finding the Fourth Proportional to 84,626.64, 126,183.37 and 82,301.59

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Solution

The fourth proportional to 84,626.64, 126,183.37 and 82,301.59 is: 122,716.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,626.64 : 126,183.37 = 82,301.59 : x
  2. Step 2: Convert to fraction form
    84,626.64/126,183.37 = 82,301.59/x
  3. Step 3: Cross multiply
    84,626.64x = 126,183.37 × 82,301.59
  4. Step 4: Simplify right side
    84,626.64x = 10,385,091,660.27
  5. Step 5: Solve for x
    x = 10,385,091,660.27/84,626.64
  6. Step 6: Final answer
    x = 122,716.58

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1.5x scale

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.