Home / 214,311.14-320,836.07-143,057.03

Finding the Fourth Proportional to 214,311.14, 320,836.07 and 143,057.03

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Solution

The fourth proportional to 214,311.14, 320,836.07 and 143,057.03 is: 214,164.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,311.14 : 320,836.07 = 143,057.03 : x
  2. Step 2: Convert to fraction form
    214,311.14/320,836.07 = 143,057.03/x
  3. Step 3: Cross multiply
    214,311.14x = 320,836.07 × 143,057.03
  4. Step 4: Simplify right side
    214,311.14x = 45,897,855,914.34
  5. Step 5: Solve for x
    x = 45,897,855,914.34/214,311.14
  6. Step 6: Final answer
    x = 214,164.59

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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.