Home / 266,788.14-400,182.89-109,016.57

Finding the Fourth Proportional to 266,788.14, 400,182.89 and 109,016.57

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Solution

The fourth proportional to 266,788.14, 400,182.89 and 109,016.57 is: 163,525.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,788.14 : 400,182.89 = 109,016.57 : x
  2. Step 2: Convert to fraction form
    266,788.14/400,182.89 = 109,016.57/x
  3. Step 3: Cross multiply
    266,788.14x = 400,182.89 × 109,016.57
  4. Step 4: Simplify right side
    266,788.14x = 43,626,563,494.49
  5. Step 5: Solve for x
    x = 43,626,563,494.49/266,788.14
  6. Step 6: Final answer
    x = 163,525.12

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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.