Home / 203,766.28-281,241.48-155,493.64

Finding the Fourth Proportional to 203,766.28, 281,241.48 and 155,493.64

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Solution

The fourth proportional to 203,766.28, 281,241.48 and 155,493.64 is: 214,614.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,766.28 : 281,241.48 = 155,493.64 : x
  2. Step 2: Convert to fraction form
    203,766.28/281,241.48 = 155,493.64/x
  3. Step 3: Cross multiply
    203,766.28x = 281,241.48 × 155,493.64
  4. Step 4: Simplify right side
    203,766.28x = 43,731,261,444.19
  5. Step 5: Solve for x
    x = 43,731,261,444.19/203,766.28
  6. Step 6: Final answer
    x = 214,614.81

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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.