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Finding the Fourth Proportional to 135,149.55, 202,825.31 and 50,992.71

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Solution

The fourth proportional to 135,149.55, 202,825.31 and 50,992.71 is: 76,527.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,149.55 : 202,825.31 = 50,992.71 : x
  2. Step 2: Convert to fraction form
    135,149.55/202,825.31 = 50,992.71/x
  3. Step 3: Cross multiply
    135,149.55x = 202,825.31 × 50,992.71
  4. Step 4: Simplify right side
    135,149.55x = 10,342,611,958.53
  5. Step 5: Solve for x
    x = 10,342,611,958.53/135,149.55
  6. Step 6: Final answer
    x = 76,527.17

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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.