Home / 106,450.75-159,701.78-39,891.46

Finding the Fourth Proportional to 106,450.75, 159,701.78 and 39,891.46

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Solution

The fourth proportional to 106,450.75, 159,701.78 and 39,891.46 is: 59,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,450.75 : 159,701.78 = 39,891.46 : x
  2. Step 2: Convert to fraction form
    106,450.75/159,701.78 = 39,891.46/x
  3. Step 3: Cross multiply
    106,450.75x = 159,701.78 × 39,891.46
  4. Step 4: Simplify right side
    106,450.75x = 6,370,737,168.80
  5. Step 5: Solve for x
    x = 6,370,737,168.80/106,450.75
  6. Step 6: Final answer
    x = 59,846.80

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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.