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Finding the Fourth Proportional to 161,364.88, 222,680.38 and 89,743.37

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Solution

The fourth proportional to 161,364.88, 222,680.38 and 89,743.37 is: 123,844.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,364.88 : 222,680.38 = 89,743.37 : x
  2. Step 2: Convert to fraction form
    161,364.88/222,680.38 = 89,743.37/x
  3. Step 3: Cross multiply
    161,364.88x = 222,680.38 × 89,743.37
  4. Step 4: Simplify right side
    161,364.88x = 19,984,087,064.68
  5. Step 5: Solve for x
    x = 19,984,087,064.68/161,364.88
  6. Step 6: Final answer
    x = 123,844.09

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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.