Home / 215,241.42-322,581.36-134,154.96

Finding the Fourth Proportional to 215,241.42, 322,581.36 and 134,154.96

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Solution

The fourth proportional to 215,241.42, 322,581.36 and 134,154.96 is: 201,057.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,241.42 : 322,581.36 = 134,154.96 : x
  2. Step 2: Convert to fraction form
    215,241.42/322,581.36 = 134,154.96/x
  3. Step 3: Cross multiply
    215,241.42x = 322,581.36 × 134,154.96
  4. Step 4: Simplify right side
    215,241.42x = 43,275,889,447.55
  5. Step 5: Solve for x
    x = 43,275,889,447.55/215,241.42
  6. Step 6: Final answer
    x = 201,057.44

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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.