Home / 254,202.12-381,069.90-87,873.48

Finding the Fourth Proportional to 254,202.12, 381,069.90 and 87,873.48

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Solution

The fourth proportional to 254,202.12, 381,069.90 and 87,873.48 is: 131,729.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,202.12 : 381,069.90 = 87,873.48 : x
  2. Step 2: Convert to fraction form
    254,202.12/381,069.90 = 87,873.48/x
  3. Step 3: Cross multiply
    254,202.12x = 381,069.90 × 87,873.48
  4. Step 4: Simplify right side
    254,202.12x = 33,485,938,236.25
  5. Step 5: Solve for x
    x = 33,485,938,236.25/254,202.12
  6. Step 6: Final answer
    x = 131,729.58

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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.