Home / 131,819.82-197,763.44-38,325.57

Finding the Fourth Proportional to 131,819.82, 197,763.44 and 38,325.57

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Solution

The fourth proportional to 131,819.82, 197,763.44 and 38,325.57 is: 57,498.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,819.82 : 197,763.44 = 38,325.57 : x
  2. Step 2: Convert to fraction form
    131,819.82/197,763.44 = 38,325.57/x
  3. Step 3: Cross multiply
    131,819.82x = 197,763.44 × 38,325.57
  4. Step 4: Simplify right side
    131,819.82x = 7,579,396,371.53
  5. Step 5: Solve for x
    x = 7,579,396,371.53/131,819.82
  6. Step 6: Final answer
    x = 57,498.15

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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.