Home / 125,103.06-172,646.37-68,517.54

Finding the Fourth Proportional to 125,103.06, 172,646.37 and 68,517.54

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Solution

The fourth proportional to 125,103.06, 172,646.37 and 68,517.54 is: 94,556.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,103.06 : 172,646.37 = 68,517.54 : x
  2. Step 2: Convert to fraction form
    125,103.06/172,646.37 = 68,517.54/x
  3. Step 3: Cross multiply
    125,103.06x = 172,646.37 × 68,517.54
  4. Step 4: Simplify right side
    125,103.06x = 11,829,304,562.33
  5. Step 5: Solve for x
    x = 11,829,304,562.33/125,103.06
  6. Step 6: Final answer
    x = 94,556.48

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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.