Home / 266,786.21-400,179.96-109,014.65

Finding the Fourth Proportional to 266,786.21, 400,179.96 and 109,014.65

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Solution

The fourth proportional to 266,786.21, 400,179.96 and 109,014.65 is: 163,522.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,786.21 : 400,179.96 = 109,014.65 : x
  2. Step 2: Convert to fraction form
    266,786.21/400,179.96 = 109,014.65/x
  3. Step 3: Cross multiply
    266,786.21x = 400,179.96 × 109,014.65
  4. Step 4: Simplify right side
    266,786.21x = 43,625,478,276.41
  5. Step 5: Solve for x
    x = 43,625,478,276.41/266,786.21
  6. Step 6: Final answer
    x = 163,522.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.