Home / 106,538.83-159,766.49-39,942.65

Finding the Fourth Proportional to 106,538.83, 159,766.49 and 39,942.65

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Solution

The fourth proportional to 106,538.83, 159,766.49 and 39,942.65 is: 59,898.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,538.83 : 159,766.49 = 39,942.65 : x
  2. Step 2: Convert to fraction form
    106,538.83/159,766.49 = 39,942.65/x
  3. Step 3: Cross multiply
    106,538.83x = 159,766.49 × 39,942.65
  4. Step 4: Simplify right side
    106,538.83x = 6,381,497,491.07
  5. Step 5: Solve for x
    x = 6,381,497,491.07/106,538.83
  6. Step 6: Final answer
    x = 59,898.33

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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.