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Finding the Fourth Proportional to 161,630.96, 223,047.24 and 89,035.88

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Solution

The fourth proportional to 161,630.96, 223,047.24 and 89,035.88 is: 122,867.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,630.96 : 223,047.24 = 89,035.88 : x
  2. Step 2: Convert to fraction form
    161,630.96/223,047.24 = 89,035.88/x
  3. Step 3: Cross multiply
    161,630.96x = 223,047.24 × 89,035.88
  4. Step 4: Simplify right side
    161,630.96x = 19,859,207,294.97
  5. Step 5: Solve for x
    x = 19,859,207,294.97/161,630.96
  6. Step 6: Final answer
    x = 122,867.59

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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.