Home / 161,294.68-222,517.02-100,759.96

Finding the Fourth Proportional to 161,294.68, 222,517.02 and 100,759.96

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Solution

The fourth proportional to 161,294.68, 222,517.02 and 100,759.96 is: 139,005.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,294.68 : 222,517.02 = 100,759.96 : x
  2. Step 2: Convert to fraction form
    161,294.68/222,517.02 = 100,759.96/x
  3. Step 3: Cross multiply
    161,294.68x = 222,517.02 × 100,759.96
  4. Step 4: Simplify right side
    161,294.68x = 22,420,806,034.52
  5. Step 5: Solve for x
    x = 22,420,806,034.52/161,294.68
  6. Step 6: Final answer
    x = 139,005.24

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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.