Home / 256,736.64-354,177.25-166,121.84

Finding the Fourth Proportional to 256,736.64, 354,177.25 and 166,121.84

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Solution

The fourth proportional to 256,736.64, 354,177.25 and 166,121.84 is: 229,170.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,736.64 : 354,177.25 = 166,121.84 : x
  2. Step 2: Convert to fraction form
    256,736.64/354,177.25 = 166,121.84/x
  3. Step 3: Cross multiply
    256,736.64x = 354,177.25 × 166,121.84
  4. Step 4: Simplify right side
    256,736.64x = 58,836,576,456.14
  5. Step 5: Solve for x
    x = 58,836,576,456.14/256,736.64
  6. Step 6: Final answer
    x = 229,170.94

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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.