Home / 207,727.94-311,481.19-107,787.50

Finding the Fourth Proportional to 207,727.94, 311,481.19 and 107,787.50

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Solution

The fourth proportional to 207,727.94, 311,481.19 and 107,787.50 is: 161,623.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,727.94 : 311,481.19 = 107,787.50 : x
  2. Step 2: Convert to fraction form
    207,727.94/311,481.19 = 107,787.50/x
  3. Step 3: Cross multiply
    207,727.94x = 311,481.19 × 107,787.50
  4. Step 4: Simplify right side
    207,727.94x = 33,573,779,961.44
  5. Step 5: Solve for x
    x = 33,573,779,961.44/207,727.94
  6. Step 6: Final answer
    x = 161,623.81

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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.