Home / 204,375.42-306,576.09-64,139.58

Finding the Fourth Proportional to 204,375.42, 306,576.09 and 64,139.58

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Solution

The fourth proportional to 204,375.42, 306,576.09 and 64,139.58 is: 96,213.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,375.42 : 306,576.09 = 64,139.58 : x
  2. Step 2: Convert to fraction form
    204,375.42/306,576.09 = 64,139.58/x
  3. Step 3: Cross multiply
    204,375.42x = 306,576.09 × 64,139.58
  4. Step 4: Simplify right side
    204,375.42x = 19,663,661,650.64
  5. Step 5: Solve for x
    x = 19,663,661,650.64/204,375.42
  6. Step 6: Final answer
    x = 96,213.44

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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.