Home / 119,916.82-165,480.87-66,200.68

Finding the Fourth Proportional to 119,916.82, 165,480.87 and 66,200.68

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Solution

The fourth proportional to 119,916.82, 165,480.87 and 66,200.68 is: 91,354.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,916.82 : 165,480.87 = 66,200.68 : x
  2. Step 2: Convert to fraction form
    119,916.82/165,480.87 = 66,200.68/x
  3. Step 3: Cross multiply
    119,916.82x = 165,480.87 × 66,200.68
  4. Step 4: Simplify right side
    119,916.82x = 10,954,946,120.99
  5. Step 5: Solve for x
    x = 10,954,946,120.99/119,916.82
  6. Step 6: Final answer
    x = 91,354.54

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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.