Home / 161,292.20-222,570.62-89,667.86

Finding the Fourth Proportional to 161,292.20, 222,570.62 and 89,667.86

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Solution

The fourth proportional to 161,292.20, 222,570.62 and 89,667.86 is: 123,734.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,292.20 : 222,570.62 = 89,667.86 : x
  2. Step 2: Convert to fraction form
    161,292.20/222,570.62 = 89,667.86/x
  3. Step 3: Cross multiply
    161,292.20x = 222,570.62 × 89,667.86
  4. Step 4: Simplify right side
    161,292.20x = 19,957,431,194.27
  5. Step 5: Solve for x
    x = 19,957,431,194.27/161,292.20
  6. Step 6: Final answer
    x = 123,734.63

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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.