Home / 266,873.10-400,536.45-109,214.70

Finding the Fourth Proportional to 266,873.10, 400,536.45 and 109,214.70

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Solution

The fourth proportional to 266,873.10, 400,536.45 and 109,214.70 is: 163,914.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,873.10 : 400,536.45 = 109,214.70 : x
  2. Step 2: Convert to fraction form
    266,873.10/400,536.45 = 109,214.70/x
  3. Step 3: Cross multiply
    266,873.10x = 400,536.45 × 109,214.70
  4. Step 4: Simplify right side
    266,873.10x = 43,744,468,225.82
  5. Step 5: Solve for x
    x = 43,744,468,225.82/266,873.10
  6. Step 6: Final answer
    x = 163,914.87

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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.