Home / 266,786.10-400,031.46-109,125.30

Finding the Fourth Proportional to 266,786.10, 400,031.46 and 109,125.30

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Solution

The fourth proportional to 266,786.10, 400,031.46 and 109,125.30 is: 163,627.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,786.10 : 400,031.46 = 109,125.30 : x
  2. Step 2: Convert to fraction form
    266,786.10/400,031.46 = 109,125.30/x
  3. Step 3: Cross multiply
    266,786.10x = 400,031.46 × 109,125.30
  4. Step 4: Simplify right side
    266,786.10x = 43,653,553,081.94
  5. Step 5: Solve for x
    x = 43,653,553,081.94/266,786.10
  6. Step 6: Final answer
    x = 163,627.54

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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.