Home / 225,537.45-338,305.77-99,147.48

Finding the Fourth Proportional to 225,537.45, 338,305.77 and 99,147.48

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Solution

The fourth proportional to 225,537.45, 338,305.77 and 99,147.48 is: 148,721.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,537.45 : 338,305.77 = 99,147.48 : x
  2. Step 2: Convert to fraction form
    225,537.45/338,305.77 = 99,147.48/x
  3. Step 3: Cross multiply
    225,537.45x = 338,305.77 × 99,147.48
  4. Step 4: Simplify right side
    225,537.45x = 33,542,164,564.96
  5. Step 5: Solve for x
    x = 33,542,164,564.96/225,537.45
  6. Step 6: Final answer
    x = 148,721.04

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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.