Home / 204,194.22-305,979.48-85,800.84

Finding the Fourth Proportional to 204,194.22, 305,979.48 and 85,800.84

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Solution

The fourth proportional to 204,194.22, 305,979.48 and 85,800.84 is: 128,570.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,194.22 : 305,979.48 = 85,800.84 : x
  2. Step 2: Convert to fraction form
    204,194.22/305,979.48 = 85,800.84/x
  3. Step 3: Cross multiply
    204,194.22x = 305,979.48 × 85,800.84
  4. Step 4: Simplify right side
    204,194.22x = 26,253,296,406.76
  5. Step 5: Solve for x
    x = 26,253,296,406.76/204,194.22
  6. Step 6: Final answer
    x = 128,570.22

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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.