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Finding the Fourth Proportional to 161,104, 222,329.76 and 89,489.44

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Solution

The fourth proportional to 161,104, 222,329.76 and 89,489.44 is: 123,498.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,104 : 222,329.76 = 89,489.44 : x
  2. Step 2: Convert to fraction form
    161,104/222,329.76 = 89,489.44/x
  3. Step 3: Cross multiply
    161,104x = 222,329.76 × 89,489.44
  4. Step 4: Simplify right side
    161,104x = 19,896,165,717.73
  5. Step 5: Solve for x
    x = 19,896,165,717.73/161,104
  6. Step 6: Final answer
    x = 123,498.89

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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.