Home / 204,182.22-305,961.48-85,788.84

Finding the Fourth Proportional to 204,182.22, 305,961.48 and 85,788.84

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Solution

The fourth proportional to 204,182.22, 305,961.48 and 85,788.84 is: 128,552.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,182.22 : 305,961.48 = 85,788.84 : x
  2. Step 2: Convert to fraction form
    204,182.22/305,961.48 = 85,788.84/x
  3. Step 3: Cross multiply
    204,182.22x = 305,961.48 × 85,788.84
  4. Step 4: Simplify right side
    204,182.22x = 26,248,080,453.88
  5. Step 5: Solve for x
    x = 26,248,080,453.88/204,182.22
  6. Step 6: Final answer
    x = 128,552.23

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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.