Home / 106,538.76-159,766.62-39,942.57

Finding the Fourth Proportional to 106,538.76, 159,766.62 and 39,942.57

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Solution

The fourth proportional to 106,538.76, 159,766.62 and 39,942.57 is: 59,898.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,538.76 : 159,766.62 = 39,942.57 : x
  2. Step 2: Convert to fraction form
    106,538.76/159,766.62 = 39,942.57/x
  3. Step 3: Cross multiply
    106,538.76x = 159,766.62 × 39,942.57
  4. Step 4: Simplify right side
    106,538.76x = 6,381,489,403.01
  5. Step 5: Solve for x
    x = 6,381,489,403.01/106,538.76
  6. Step 6: Final answer
    x = 59,898.29

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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.