Home / 196,819.67-295,359.82-108,135

Finding the Fourth Proportional to 196,819.67, 295,359.82 and 108,135

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Solution

The fourth proportional to 196,819.67, 295,359.82 and 108,135 is: 162,274.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,819.67 : 295,359.82 = 108,135 : x
  2. Step 2: Convert to fraction form
    196,819.67/295,359.82 = 108,135/x
  3. Step 3: Cross multiply
    196,819.67x = 295,359.82 × 108,135
  4. Step 4: Simplify right side
    196,819.67x = 31,938,733,865.36
  5. Step 5: Solve for x
    x = 31,938,733,865.36/196,819.67
  6. Step 6: Final answer
    x = 162,274.09

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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.