Home / 101,579.42-140,202.92-67,589.33

Finding the Fourth Proportional to 101,579.42, 140,202.92 and 67,589.33

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Solution

The fourth proportional to 101,579.42, 140,202.92 and 67,589.33 is: 93,288.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,579.42 : 140,202.92 = 67,589.33 : x
  2. Step 2: Convert to fraction form
    101,579.42/140,202.92 = 67,589.33/x
  3. Step 3: Cross multiply
    101,579.42x = 140,202.92 × 67,589.33
  4. Step 4: Simplify right side
    101,579.42x = 9,476,220,387.88
  5. Step 5: Solve for x
    x = 9,476,220,387.88/101,579.42
  6. Step 6: Final answer
    x = 93,288.79

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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.