Home / 204,360.73-306,542.81-71,240.74

Finding the Fourth Proportional to 204,360.73, 306,542.81 and 71,240.74

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Solution

The fourth proportional to 204,360.73, 306,542.81 and 71,240.74 is: 106,861.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,360.73 : 306,542.81 = 71,240.74 : x
  2. Step 2: Convert to fraction form
    204,360.73/306,542.81 = 71,240.74/x
  3. Step 3: Cross multiply
    204,360.73x = 306,542.81 × 71,240.74
  4. Step 4: Simplify right side
    204,360.73x = 21,838,336,037.82
  5. Step 5: Solve for x
    x = 21,838,336,037.82/204,360.73
  6. Step 6: Final answer
    x = 106,861.71

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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.