Home / 161,338.13-222,652.06-88,744.11

Finding the Fourth Proportional to 161,338.13, 222,652.06 and 88,744.11

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Solution

The fourth proportional to 161,338.13, 222,652.06 and 88,744.11 is: 122,469.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,338.13 : 222,652.06 = 88,744.11 : x
  2. Step 2: Convert to fraction form
    161,338.13/222,652.06 = 88,744.11/x
  3. Step 3: Cross multiply
    161,338.13x = 222,652.06 × 88,744.11
  4. Step 4: Simplify right side
    161,338.13x = 19,759,057,847.56
  5. Step 5: Solve for x
    x = 19,759,057,847.56/161,338.13
  6. Step 6: Final answer
    x = 122,469.86

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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.