Home / 204,516.78-306,789.18-69,525.91

Finding the Fourth Proportional to 204,516.78, 306,789.18 and 69,525.91

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Solution

The fourth proportional to 204,516.78, 306,789.18 and 69,525.91 is: 104,293.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,516.78 : 306,789.18 = 69,525.91 : x
  2. Step 2: Convert to fraction form
    204,516.78/306,789.18 = 69,525.91/x
  3. Step 3: Cross multiply
    204,516.78x = 306,789.18 × 69,525.91
  4. Step 4: Simplify right side
    204,516.78x = 21,329,796,917.65
  5. Step 5: Solve for x
    x = 21,329,796,917.65/204,516.78
  6. Step 6: Final answer
    x = 104,293.63

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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.