Home / 108,220.92-162,367.82-68,193.42

Finding the Fourth Proportional to 108,220.92, 162,367.82 and 68,193.42

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Solution

The fourth proportional to 108,220.92, 162,367.82 and 68,193.42 is: 102,313.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,220.92 : 162,367.82 = 68,193.42 : x
  2. Step 2: Convert to fraction form
    108,220.92/162,367.82 = 68,193.42/x
  3. Step 3: Cross multiply
    108,220.92x = 162,367.82 × 68,193.42
  4. Step 4: Simplify right side
    108,220.92x = 11,072,416,302.39
  5. Step 5: Solve for x
    x = 11,072,416,302.39/108,220.92
  6. Step 6: Final answer
    x = 102,313.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.