Home / 225,884.07-338,657.58-135,905.72

Finding the Fourth Proportional to 225,884.07, 338,657.58 and 135,905.72

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Solution

The fourth proportional to 225,884.07, 338,657.58 and 135,905.72 is: 203,757.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,884.07 : 338,657.58 = 135,905.72 : x
  2. Step 2: Convert to fraction form
    225,884.07/338,657.58 = 135,905.72/x
  3. Step 3: Cross multiply
    225,884.07x = 338,657.58 × 135,905.72
  4. Step 4: Simplify right side
    225,884.07x = 46,025,500,550.07
  5. Step 5: Solve for x
    x = 46,025,500,550.07/225,884.07
  6. Step 6: Final answer
    x = 203,757.18

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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.