Home / 254,181.12-381,253.05-104,380.80

Finding the Fourth Proportional to 254,181.12, 381,253.05 and 104,380.80

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Solution

The fourth proportional to 254,181.12, 381,253.05 and 104,380.80 is: 156,563.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,181.12 : 381,253.05 = 104,380.80 : x
  2. Step 2: Convert to fraction form
    254,181.12/381,253.05 = 104,380.80/x
  3. Step 3: Cross multiply
    254,181.12x = 381,253.05 × 104,380.80
  4. Step 4: Simplify right side
    254,181.12x = 39,795,498,361.44
  5. Step 5: Solve for x
    x = 39,795,498,361.44/254,181.12
  6. Step 6: Final answer
    x = 156,563.55

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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.