Home / 119,913.49-165,481.96-66,198.54

Finding the Fourth Proportional to 119,913.49, 165,481.96 and 66,198.54

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Solution

The fourth proportional to 119,913.49, 165,481.96 and 66,198.54 is: 91,354.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,913.49 : 165,481.96 = 66,198.54 : x
  2. Step 2: Convert to fraction form
    119,913.49/165,481.96 = 66,198.54/x
  3. Step 3: Cross multiply
    119,913.49x = 165,481.96 × 66,198.54
  4. Step 4: Simplify right side
    119,913.49x = 10,954,664,148.34
  5. Step 5: Solve for x
    x = 10,954,664,148.34/119,913.49
  6. Step 6: Final answer
    x = 91,354.73

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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.