Home / 106,329.80-159,494.82-99,834.38

Finding the Fourth Proportional to 106,329.80, 159,494.82 and 99,834.38

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Solution

The fourth proportional to 106,329.80, 159,494.82 and 99,834.38 is: 149,751.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,329.80 : 159,494.82 = 99,834.38 : x
  2. Step 2: Convert to fraction form
    106,329.80/159,494.82 = 99,834.38/x
  3. Step 3: Cross multiply
    106,329.80x = 159,494.82 × 99,834.38
  4. Step 4: Simplify right side
    106,329.80x = 15,923,066,467.91
  5. Step 5: Solve for x
    x = 15,923,066,467.91/106,329.80
  6. Step 6: Final answer
    x = 149,751.68

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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.