Home / 204,278.37-306,558.50-71,159.73

Finding the Fourth Proportional to 204,278.37, 306,558.50 and 71,159.73

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Solution

The fourth proportional to 204,278.37, 306,558.50 and 71,159.73 is: 106,788.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,278.37 : 306,558.50 = 71,159.73 : x
  2. Step 2: Convert to fraction form
    204,278.37/306,558.50 = 71,159.73/x
  3. Step 3: Cross multiply
    204,278.37x = 306,558.50 × 71,159.73
  4. Step 4: Simplify right side
    204,278.37x = 21,814,619,733.41
  5. Step 5: Solve for x
    x = 21,814,619,733.41/204,278.37
  6. Step 6: Final answer
    x = 106,788.69

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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.