Home / 204,052.14-306,029.61-85,725.78

Finding the Fourth Proportional to 204,052.14, 306,029.61 and 85,725.78

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Solution

The fourth proportional to 204,052.14, 306,029.61 and 85,725.78 is: 128,568.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,052.14 : 306,029.61 = 85,725.78 : x
  2. Step 2: Convert to fraction form
    204,052.14/306,029.61 = 85,725.78/x
  3. Step 3: Cross multiply
    204,052.14x = 306,029.61 × 85,725.78
  4. Step 4: Simplify right side
    204,052.14x = 26,234,627,020.35
  5. Step 5: Solve for x
    x = 26,234,627,020.35/204,052.14
  6. Step 6: Final answer
    x = 128,568.25

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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.