Home / 135,942.25-203,956.71-57,035.29

Finding the Fourth Proportional to 135,942.25, 203,956.71 and 57,035.29

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Solution

The fourth proportional to 135,942.25, 203,956.71 and 57,035.29 is: 85,571.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,942.25 : 203,956.71 = 57,035.29 : x
  2. Step 2: Convert to fraction form
    135,942.25/203,956.71 = 57,035.29/x
  3. Step 3: Cross multiply
    135,942.25x = 203,956.71 × 57,035.29
  4. Step 4: Simplify right side
    135,942.25x = 11,632,730,102.30
  5. Step 5: Solve for x
    x = 11,632,730,102.30/135,942.25
  6. Step 6: Final answer
    x = 85,571.12

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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.