Home / 204,340.06-306,111.56-115,324.30

Finding the Fourth Proportional to 204,340.06, 306,111.56 and 115,324.30

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Solution

The fourth proportional to 204,340.06, 306,111.56 and 115,324.30 is: 172,761.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,340.06 : 306,111.56 = 115,324.30 : x
  2. Step 2: Convert to fraction form
    204,340.06/306,111.56 = 115,324.30/x
  3. Step 3: Cross multiply
    204,340.06x = 306,111.56 × 115,324.30
  4. Step 4: Simplify right side
    204,340.06x = 35,302,101,378.91
  5. Step 5: Solve for x
    x = 35,302,101,378.91/204,340.06
  6. Step 6: Final answer
    x = 172,761.53

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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.