Home / 84,626.29-126,182.85-82,301.23

Finding the Fourth Proportional to 84,626.29, 126,182.85 and 82,301.23

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Solution

The fourth proportional to 84,626.29, 126,182.85 and 82,301.23 is: 122,716.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,626.29 : 126,182.85 = 82,301.23 : x
  2. Step 2: Convert to fraction form
    84,626.29/126,182.85 = 82,301.23/x
  3. Step 3: Cross multiply
    84,626.29x = 126,182.85 × 82,301.23
  4. Step 4: Simplify right side
    84,626.29x = 10,385,004,071.95
  5. Step 5: Solve for x
    x = 10,385,004,071.95/84,626.29
  6. Step 6: Final answer
    x = 122,716.05

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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.