Home / 105,640.26-158,450.85-39,080.94

Finding the Fourth Proportional to 105,640.26, 158,450.85 and 39,080.94

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Solution

The fourth proportional to 105,640.26, 158,450.85 and 39,080.94 is: 58,617.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,640.26 : 158,450.85 = 39,080.94 : x
  2. Step 2: Convert to fraction form
    105,640.26/158,450.85 = 39,080.94/x
  3. Step 3: Cross multiply
    105,640.26x = 158,450.85 × 39,080.94
  4. Step 4: Simplify right side
    105,640.26x = 6,192,408,161.80
  5. Step 5: Solve for x
    x = 6,192,408,161.80/105,640.26
  6. Step 6: Final answer
    x = 58,617.88

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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.