Home / 161,422.20-222,743.52-89,792.46

Finding the Fourth Proportional to 161,422.20, 222,743.52 and 89,792.46

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Solution

The fourth proportional to 161,422.20, 222,743.52 and 89,792.46 is: 123,902.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,422.20 : 222,743.52 = 89,792.46 : x
  2. Step 2: Convert to fraction form
    161,422.20/222,743.52 = 89,792.46/x
  3. Step 3: Cross multiply
    161,422.20x = 222,743.52 × 89,792.46
  4. Step 4: Simplify right side
    161,422.20x = 20,000,688,609.86
  5. Step 5: Solve for x
    x = 20,000,688,609.86/161,422.20
  6. Step 6: Final answer
    x = 123,902.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.