Home / 214,204.56-320,968.87-79,082.81

Finding the Fourth Proportional to 214,204.56, 320,968.87 and 79,082.81

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Solution

The fourth proportional to 214,204.56, 320,968.87 and 79,082.81 is: 118,499.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,204.56 : 320,968.87 = 79,082.81 : x
  2. Step 2: Convert to fraction form
    214,204.56/320,968.87 = 79,082.81/x
  3. Step 3: Cross multiply
    214,204.56x = 320,968.87 × 79,082.81
  4. Step 4: Simplify right side
    214,204.56x = 25,383,120,162.12
  5. Step 5: Solve for x
    x = 25,383,120,162.12/214,204.56
  6. Step 6: Final answer
    x = 118,499.44

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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.