Home / 254,168.18-381,255.01-76,676.73

Finding the Fourth Proportional to 254,168.18, 381,255.01 and 76,676.73

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Solution

The fourth proportional to 254,168.18, 381,255.01 and 76,676.73 is: 115,015.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,168.18 : 381,255.01 = 76,676.73 : x
  2. Step 2: Convert to fraction form
    254,168.18/381,255.01 = 76,676.73/x
  3. Step 3: Cross multiply
    254,168.18x = 381,255.01 × 76,676.73
  4. Step 4: Simplify right side
    254,168.18x = 29,233,387,462.92
  5. Step 5: Solve for x
    x = 29,233,387,462.92/254,168.18
  6. Step 6: Final answer
    x = 115,015.92

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1.5x scale

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.