Home / 205,142.46-307,738.26-193,945.02

Finding the Fourth Proportional to 205,142.46, 307,738.26 and 193,945.02

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Solution

The fourth proportional to 205,142.46, 307,738.26 and 193,945.02 is: 290,940.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,142.46 : 307,738.26 = 193,945.02 : x
  2. Step 2: Convert to fraction form
    205,142.46/307,738.26 = 193,945.02/x
  3. Step 3: Cross multiply
    205,142.46x = 307,738.26 × 193,945.02
  4. Step 4: Simplify right side
    205,142.46x = 59,684,302,990.47
  5. Step 5: Solve for x
    x = 59,684,302,990.47/205,142.46
  6. Step 6: Final answer
    x = 290,940.76

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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.