Home / 220,269.78-303,987.33-124,777.26

Finding the Fourth Proportional to 220,269.78, 303,987.33 and 124,777.26

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Solution

The fourth proportional to 220,269.78, 303,987.33 and 124,777.26 is: 172,201.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,269.78 : 303,987.33 = 124,777.26 : x
  2. Step 2: Convert to fraction form
    220,269.78/303,987.33 = 124,777.26/x
  3. Step 3: Cross multiply
    220,269.78x = 303,987.33 × 124,777.26
  4. Step 4: Simplify right side
    220,269.78x = 37,930,706,112.12
  5. Step 5: Solve for x
    x = 37,930,706,112.12/220,269.78
  6. Step 6: Final answer
    x = 172,201.13

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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.