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Finding the Fourth Proportional to 161,941, 223,508.82 and 94,873

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Solution

The fourth proportional to 161,941, 223,508.82 and 94,873 is: 130,942.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,941 : 223,508.82 = 94,873 : x
  2. Step 2: Convert to fraction form
    161,941/223,508.82 = 94,873/x
  3. Step 3: Cross multiply
    161,941x = 223,508.82 × 94,873
  4. Step 4: Simplify right side
    161,941x = 21,204,952,279.86
  5. Step 5: Solve for x
    x = 21,204,952,279.86/161,941
  6. Step 6: Final answer
    x = 130,942.46

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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.