Home / 89,183.26-123,085.38-55,202.56

Finding the Fourth Proportional to 89,183.26, 123,085.38 and 55,202.56

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Solution

The fourth proportional to 89,183.26, 123,085.38 and 55,202.56 is: 76,187.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,183.26 : 123,085.38 = 55,202.56 : x
  2. Step 2: Convert to fraction form
    89,183.26/123,085.38 = 55,202.56/x
  3. Step 3: Cross multiply
    89,183.26x = 123,085.38 × 55,202.56
  4. Step 4: Simplify right side
    89,183.26x = 6,794,628,074.57
  5. Step 5: Solve for x
    x = 6,794,628,074.57/89,183.26
  6. Step 6: Final answer
    x = 76,187.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.