Home / 204,336.06-306,105.57-115,320.30

Finding the Fourth Proportional to 204,336.06, 306,105.57 and 115,320.30

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Solution

The fourth proportional to 204,336.06, 306,105.57 and 115,320.30 is: 172,755.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,336.06 : 306,105.57 = 115,320.30 : x
  2. Step 2: Convert to fraction form
    204,336.06/306,105.57 = 115,320.30/x
  3. Step 3: Cross multiply
    204,336.06x = 306,105.57 × 115,320.30
  4. Step 4: Simplify right side
    204,336.06x = 35,300,186,164.07
  5. Step 5: Solve for x
    x = 35,300,186,164.07/204,336.06
  6. Step 6: Final answer
    x = 172,755.54

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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.