Home / 182,161.55-251,383.17-100,487.96

Finding the Fourth Proportional to 182,161.55, 251,383.17 and 100,487.96

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Solution

The fourth proportional to 182,161.55, 251,383.17 and 100,487.96 is: 138,673.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,161.55 : 251,383.17 = 100,487.96 : x
  2. Step 2: Convert to fraction form
    182,161.55/251,383.17 = 100,487.96/x
  3. Step 3: Cross multiply
    182,161.55x = 251,383.17 × 100,487.96
  4. Step 4: Simplify right side
    182,161.55x = 25,260,982,308.46
  5. Step 5: Solve for x
    x = 25,260,982,308.46/182,161.55
  6. Step 6: Final answer
    x = 138,673.51

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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.