Home / 254,164.24-381,249.10-76,672.79

Finding the Fourth Proportional to 254,164.24, 381,249.10 and 76,672.79

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Solution

The fourth proportional to 254,164.24, 381,249.10 and 76,672.79 is: 115,010.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,164.24 : 381,249.10 = 76,672.79 : x
  2. Step 2: Convert to fraction form
    254,164.24/381,249.10 = 76,672.79/x
  3. Step 3: Cross multiply
    254,164.24x = 381,249.10 × 76,672.79
  4. Step 4: Simplify right side
    254,164.24x = 29,231,431,369.98
  5. Step 5: Solve for x
    x = 29,231,431,369.98/254,164.24
  6. Step 6: Final answer
    x = 115,010.01

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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.