Home / 192,920.94-289,396.38-57,974.48

Finding the Fourth Proportional to 192,920.94, 289,396.38 and 57,974.48

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Solution

The fourth proportional to 192,920.94, 289,396.38 and 57,974.48 is: 86,966.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,920.94 : 289,396.38 = 57,974.48 : x
  2. Step 2: Convert to fraction form
    192,920.94/289,396.38 = 57,974.48/x
  3. Step 3: Cross multiply
    192,920.94x = 289,396.38 × 57,974.48
  4. Step 4: Simplify right side
    192,920.94x = 16,777,603,197.40
  5. Step 5: Solve for x
    x = 16,777,603,197.40/192,920.94
  6. Step 6: Final answer
    x = 86,966.21

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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.