Home / 204,027.05-306,141.15-91,786.70

Finding the Fourth Proportional to 204,027.05, 306,141.15 and 91,786.70

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Solution

The fourth proportional to 204,027.05, 306,141.15 and 91,786.70 is: 137,725.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,027.05 : 306,141.15 = 91,786.70 : x
  2. Step 2: Convert to fraction form
    204,027.05/306,141.15 = 91,786.70/x
  3. Step 3: Cross multiply
    204,027.05x = 306,141.15 × 91,786.70
  4. Step 4: Simplify right side
    204,027.05x = 28,099,685,892.71
  5. Step 5: Solve for x
    x = 28,099,685,892.71/204,027.05
  6. Step 6: Final answer
    x = 137,725.30

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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.