Home / 200,425.28-276,586.82-109,786.88

Finding the Fourth Proportional to 200,425.28, 276,586.82 and 109,786.88

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Solution

The fourth proportional to 200,425.28, 276,586.82 and 109,786.88 is: 151,505.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,425.28 : 276,586.82 = 109,786.88 : x
  2. Step 2: Convert to fraction form
    200,425.28/276,586.82 = 109,786.88/x
  3. Step 3: Cross multiply
    200,425.28x = 276,586.82 × 109,786.88
  4. Step 4: Simplify right side
    200,425.28x = 30,365,604,571.16
  5. Step 5: Solve for x
    x = 30,365,604,571.16/200,425.28
  6. Step 6: Final answer
    x = 151,505.86

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1.5x scale

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.