Home / 161,338.24-222,625.74-89,704

Finding the Fourth Proportional to 161,338.24, 222,625.74 and 89,704

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Solution

The fourth proportional to 161,338.24, 222,625.74 and 89,704 is: 123,779.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,338.24 : 222,625.74 = 89,704 : x
  2. Step 2: Convert to fraction form
    161,338.24/222,625.74 = 89,704/x
  3. Step 3: Cross multiply
    161,338.24x = 222,625.74 × 89,704
  4. Step 4: Simplify right side
    161,338.24x = 19,970,419,380.96
  5. Step 5: Solve for x
    x = 19,970,419,380.96/161,338.24
  6. Step 6: Final answer
    x = 123,779.83

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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.