Home / 225,976.43-311,993.55-140,026.62

Finding the Fourth Proportional to 225,976.43, 311,993.55 and 140,026.62

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Solution

The fourth proportional to 225,976.43, 311,993.55 and 140,026.62 is: 193,327.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,976.43 : 311,993.55 = 140,026.62 : x
  2. Step 2: Convert to fraction form
    225,976.43/311,993.55 = 140,026.62/x
  3. Step 3: Cross multiply
    225,976.43x = 311,993.55 × 140,026.62
  4. Step 4: Simplify right side
    225,976.43x = 43,687,402,268.30
  5. Step 5: Solve for x
    x = 43,687,402,268.30/225,976.43
  6. Step 6: Final answer
    x = 193,327.25

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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.