Home / 193,418.48-290,217-88,269.68

Finding the Fourth Proportional to 193,418.48, 290,217 and 88,269.68

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Solution

The fourth proportional to 193,418.48, 290,217 and 88,269.68 is: 132,445.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,418.48 : 290,217 = 88,269.68 : x
  2. Step 2: Convert to fraction form
    193,418.48/290,217 = 88,269.68/x
  3. Step 3: Cross multiply
    193,418.48x = 290,217 × 88,269.68
  4. Step 4: Simplify right side
    193,418.48x = 25,617,361,720.56
  5. Step 5: Solve for x
    x = 25,617,361,720.56/193,418.48
  6. Step 6: Final answer
    x = 132,445.26

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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.