Home / 204,163.15-306,306.89-104,393.43

Finding the Fourth Proportional to 204,163.15, 306,306.89 and 104,393.43

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Solution

The fourth proportional to 204,163.15, 306,306.89 and 104,393.43 is: 156,621.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,163.15 : 306,306.89 = 104,393.43 : x
  2. Step 2: Convert to fraction form
    204,163.15/306,306.89 = 104,393.43/x
  3. Step 3: Cross multiply
    204,163.15x = 306,306.89 × 104,393.43
  4. Step 4: Simplify right side
    204,163.15x = 31,976,426,879.73
  5. Step 5: Solve for x
    x = 31,976,426,879.73/204,163.15
  6. Step 6: Final answer
    x = 156,621.93

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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.