Home / 74,129.43-111,194.37-17,969.31

Finding the Fourth Proportional to 74,129.43, 111,194.37 and 17,969.31

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Solution

The fourth proportional to 74,129.43, 111,194.37 and 17,969.31 is: 26,954.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,129.43 : 111,194.37 = 17,969.31 : x
  2. Step 2: Convert to fraction form
    74,129.43/111,194.37 = 17,969.31/x
  3. Step 3: Cross multiply
    74,129.43x = 111,194.37 × 17,969.31
  4. Step 4: Simplify right side
    74,129.43x = 1,998,086,104.78
  5. Step 5: Solve for x
    x = 1,998,086,104.78/74,129.43
  6. Step 6: Final answer
    x = 26,954.02

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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.