Home / 239,949.68-331,132.82-136,578.82

Finding the Fourth Proportional to 239,949.68, 331,132.82 and 136,578.82

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Solution

The fourth proportional to 239,949.68, 331,132.82 and 136,578.82 is: 188,480.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,949.68 : 331,132.82 = 136,578.82 : x
  2. Step 2: Convert to fraction form
    239,949.68/331,132.82 = 136,578.82/x
  3. Step 3: Cross multiply
    239,949.68x = 331,132.82 × 136,578.82
  4. Step 4: Simplify right side
    239,949.68x = 45,225,729,135.98
  5. Step 5: Solve for x
    x = 45,225,729,135.98/239,949.68
  6. Step 6: Final answer
    x = 188,480.06

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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.