Home / 79,195.06-118,839.37-29,310.20

Finding the Fourth Proportional to 79,195.06, 118,839.37 and 29,310.20

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Solution

The fourth proportional to 79,195.06, 118,839.37 and 29,310.20 is: 43,982.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,195.06 : 118,839.37 = 29,310.20 : x
  2. Step 2: Convert to fraction form
    79,195.06/118,839.37 = 29,310.20/x
  3. Step 3: Cross multiply
    79,195.06x = 118,839.37 × 29,310.20
  4. Step 4: Simplify right side
    79,195.06x = 3,483,205,035.10
  5. Step 5: Solve for x
    x = 3,483,205,035.10/79,195.06
  6. Step 6: Final answer
    x = 43,982.61

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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.