Home / 79,136.22-109,208.30-43,329.56

Finding the Fourth Proportional to 79,136.22, 109,208.30 and 43,329.56

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Solution

The fourth proportional to 79,136.22, 109,208.30 and 43,329.56 is: 59,794.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,136.22 : 109,208.30 = 43,329.56 : x
  2. Step 2: Convert to fraction form
    79,136.22/109,208.30 = 43,329.56/x
  3. Step 3: Cross multiply
    79,136.22x = 109,208.30 × 43,329.56
  4. Step 4: Simplify right side
    79,136.22x = 4,731,947,370.70
  5. Step 5: Solve for x
    x = 4,731,947,370.70/79,136.22
  6. Step 6: Final answer
    x = 59,794.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.