Home / 218,001.04-300,843.42-131,962

Finding the Fourth Proportional to 218,001.04, 300,843.42 and 131,962

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Solution

The fourth proportional to 218,001.04, 300,843.42 and 131,962 is: 182,108.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,001.04 : 300,843.42 = 131,962 : x
  2. Step 2: Convert to fraction form
    218,001.04/300,843.42 = 131,962/x
  3. Step 3: Cross multiply
    218,001.04x = 300,843.42 × 131,962
  4. Step 4: Simplify right side
    218,001.04x = 39,699,899,390.04
  5. Step 5: Solve for x
    x = 39,699,899,390.04/218,001.04
  6. Step 6: Final answer
    x = 182,108.76

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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.