Home / 225,608.03-338,454.72-90,682.61

Finding the Fourth Proportional to 225,608.03, 338,454.72 and 90,682.61

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Solution

The fourth proportional to 225,608.03, 338,454.72 and 90,682.61 is: 136,041.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,608.03 : 338,454.72 = 90,682.61 : x
  2. Step 2: Convert to fraction form
    225,608.03/338,454.72 = 90,682.61/x
  3. Step 3: Cross multiply
    225,608.03x = 338,454.72 × 90,682.61
  4. Step 4: Simplify right side
    225,608.03x = 30,691,955,684.15
  5. Step 5: Solve for x
    x = 30,691,955,684.15/225,608.03
  6. Step 6: Final answer
    x = 136,041.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.