Home / 232,286.20-320,561.22-136,775.32

Finding the Fourth Proportional to 232,286.20, 320,561.22 and 136,775.32

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Solution

The fourth proportional to 232,286.20, 320,561.22 and 136,775.32 is: 188,753.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,286.20 : 320,561.22 = 136,775.32 : x
  2. Step 2: Convert to fraction form
    232,286.20/320,561.22 = 136,775.32/x
  3. Step 3: Cross multiply
    232,286.20x = 320,561.22 × 136,775.32
  4. Step 4: Simplify right side
    232,286.20x = 43,844,863,445.09
  5. Step 5: Solve for x
    x = 43,844,863,445.09/232,286.20
  6. Step 6: Final answer
    x = 188,753.63

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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.