Home / 225,916.56-311,770.62-123,946.38

Finding the Fourth Proportional to 225,916.56, 311,770.62 and 123,946.38

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Solution

The fourth proportional to 225,916.56, 311,770.62 and 123,946.38 is: 171,049.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,916.56 : 311,770.62 = 123,946.38 : x
  2. Step 2: Convert to fraction form
    225,916.56/311,770.62 = 123,946.38/x
  3. Step 3: Cross multiply
    225,916.56x = 311,770.62 × 123,946.38
  4. Step 4: Simplify right side
    225,916.56x = 38,642,839,739.36
  5. Step 5: Solve for x
    x = 38,642,839,739.36/225,916.56
  6. Step 6: Final answer
    x = 171,049.17

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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.