Home / 108,063.78-162,016.92-51,117.54

Finding the Fourth Proportional to 108,063.78, 162,016.92 and 51,117.54

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Solution

The fourth proportional to 108,063.78, 162,016.92 and 51,117.54 is: 76,639.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,063.78 : 162,016.92 = 51,117.54 : x
  2. Step 2: Convert to fraction form
    108,063.78/162,016.92 = 51,117.54/x
  3. Step 3: Cross multiply
    108,063.78x = 162,016.92 × 51,117.54
  4. Step 4: Simplify right side
    108,063.78x = 8,281,906,388.78
  5. Step 5: Solve for x
    x = 8,281,906,388.78/108,063.78
  6. Step 6: Final answer
    x = 76,639.06

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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.