Home / 203,241.22-280,519.52-135,261.04

Finding the Fourth Proportional to 203,241.22, 280,519.52 and 135,261.04

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Solution

The fourth proportional to 203,241.22, 280,519.52 and 135,261.04 is: 186,691.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,241.22 : 280,519.52 = 135,261.04 : x
  2. Step 2: Convert to fraction form
    203,241.22/280,519.52 = 135,261.04/x
  3. Step 3: Cross multiply
    203,241.22x = 280,519.52 × 135,261.04
  4. Step 4: Simplify right side
    203,241.22x = 37,943,362,015.50
  5. Step 5: Solve for x
    x = 37,943,362,015.50/203,241.22
  6. Step 6: Final answer
    x = 186,691.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.