Home / 225,945.55-311,794.33-123,968.71

Finding the Fourth Proportional to 225,945.55, 311,794.33 and 123,968.71

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Solution

The fourth proportional to 225,945.55, 311,794.33 and 123,968.71 is: 171,071.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,945.55 : 311,794.33 = 123,968.71 : x
  2. Step 2: Convert to fraction form
    225,945.55/311,794.33 = 123,968.71/x
  3. Step 3: Cross multiply
    225,945.55x = 311,794.33 × 123,968.71
  4. Step 4: Simplify right side
    225,945.55x = 38,652,738,696.60
  5. Step 5: Solve for x
    x = 38,652,738,696.60/225,945.55
  6. Step 6: Final answer
    x = 171,071.04

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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.