Home / 212,849.78-293,578.32-144,745.68

Finding the Fourth Proportional to 212,849.78, 293,578.32 and 144,745.68

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Solution

The fourth proportional to 212,849.78, 293,578.32 and 144,745.68 is: 199,644.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,849.78 : 293,578.32 = 144,745.68 : x
  2. Step 2: Convert to fraction form
    212,849.78/293,578.32 = 144,745.68/x
  3. Step 3: Cross multiply
    212,849.78x = 293,578.32 × 144,745.68
  4. Step 4: Simplify right side
    212,849.78x = 42,494,195,205.37
  5. Step 5: Solve for x
    x = 42,494,195,205.37/212,849.78
  6. Step 6: Final answer
    x = 199,644.07

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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.