Home / 90,654.30-135,982.35-27,474.57

Finding the Fourth Proportional to 90,654.30, 135,982.35 and 27,474.57

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Solution

The fourth proportional to 90,654.30, 135,982.35 and 27,474.57 is: 41,212.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,654.30 : 135,982.35 = 27,474.57 : x
  2. Step 2: Convert to fraction form
    90,654.30/135,982.35 = 27,474.57/x
  3. Step 3: Cross multiply
    90,654.30x = 135,982.35 × 27,474.57
  4. Step 4: Simplify right side
    90,654.30x = 3,736,056,593.84
  5. Step 5: Solve for x
    x = 3,736,056,593.84/90,654.30
  6. Step 6: Final answer
    x = 41,212.13

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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.