Home / 204,135.72-306,236.43-71,053.80

Finding the Fourth Proportional to 204,135.72, 306,236.43 and 71,053.80

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Solution

The fourth proportional to 204,135.72, 306,236.43 and 71,053.80 is: 106,592.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,135.72 : 306,236.43 = 71,053.80 : x
  2. Step 2: Convert to fraction form
    204,135.72/306,236.43 = 71,053.80/x
  3. Step 3: Cross multiply
    204,135.72x = 306,236.43 × 71,053.80
  4. Step 4: Simplify right side
    204,135.72x = 21,759,262,049.93
  5. Step 5: Solve for x
    x = 21,759,262,049.93/204,135.72
  6. Step 6: Final answer
    x = 106,592.13

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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.