Home / 239,882.27-331,057.01-137,940.87

Finding the Fourth Proportional to 239,882.27, 331,057.01 and 137,940.87

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Solution

The fourth proportional to 239,882.27, 331,057.01 and 137,940.87 is: 190,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,882.27 : 331,057.01 = 137,940.87 : x
  2. Step 2: Convert to fraction form
    239,882.27/331,057.01 = 137,940.87/x
  3. Step 3: Cross multiply
    239,882.27x = 331,057.01 × 137,940.87
  4. Step 4: Simplify right side
    239,882.27x = 45,666,292,323.85
  5. Step 5: Solve for x
    x = 45,666,292,323.85/239,882.27
  6. Step 6: Final answer
    x = 190,369.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.