Home / 103,834.62-155,685.39-43,846.85

Finding the Fourth Proportional to 103,834.62, 155,685.39 and 43,846.85

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Solution

The fourth proportional to 103,834.62, 155,685.39 and 43,846.85 is: 65,742.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,834.62 : 155,685.39 = 43,846.85 : x
  2. Step 2: Convert to fraction form
    103,834.62/155,685.39 = 43,846.85/x
  3. Step 3: Cross multiply
    103,834.62x = 155,685.39 × 43,846.85
  4. Step 4: Simplify right side
    103,834.62x = 6,826,313,164.09
  5. Step 5: Solve for x
    x = 6,826,313,164.09/103,834.62
  6. Step 6: Final answer
    x = 65,742.17

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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.