Home / 161,329.33-222,634.66-89,707.82

Finding the Fourth Proportional to 161,329.33, 222,634.66 and 89,707.82

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Solution

The fourth proportional to 161,329.33, 222,634.66 and 89,707.82 is: 123,796.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,329.33 : 222,634.66 = 89,707.82 : x
  2. Step 2: Convert to fraction form
    161,329.33/222,634.66 = 89,707.82/x
  3. Step 3: Cross multiply
    161,329.33x = 222,634.66 × 89,707.82
  4. Step 4: Simplify right side
    161,329.33x = 19,972,069,527.34
  5. Step 5: Solve for x
    x = 19,972,069,527.34/161,329.33
  6. Step 6: Final answer
    x = 123,796.89

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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.