Home / 144,286.92-199,112.13-80,625.24

Finding the Fourth Proportional to 144,286.92, 199,112.13 and 80,625.24

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Solution

The fourth proportional to 144,286.92, 199,112.13 and 80,625.24 is: 111,260.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,286.92 : 199,112.13 = 80,625.24 : x
  2. Step 2: Convert to fraction form
    144,286.92/199,112.13 = 80,625.24/x
  3. Step 3: Cross multiply
    144,286.92x = 199,112.13 × 80,625.24
  4. Step 4: Simplify right side
    144,286.92x = 16,053,463,268.16
  5. Step 5: Solve for x
    x = 16,053,463,268.16/144,286.92
  6. Step 6: Final answer
    x = 111,260.70

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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.