Home / 204,170.22-305,943.48-85,776.84

Finding the Fourth Proportional to 204,170.22, 305,943.48 and 85,776.84

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Solution

The fourth proportional to 204,170.22, 305,943.48 and 85,776.84 is: 128,534.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,170.22 : 305,943.48 = 85,776.84 : x
  2. Step 2: Convert to fraction form
    204,170.22/305,943.48 = 85,776.84/x
  3. Step 3: Cross multiply
    204,170.22x = 305,943.48 × 85,776.84
  4. Step 4: Simplify right side
    204,170.22x = 26,242,864,933.00
  5. Step 5: Solve for x
    x = 26,242,864,933.00/204,170.22
  6. Step 6: Final answer
    x = 128,534.24

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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.