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Finding the Fourth Proportional to 136,571.78, 204,855.23 and 52,309.10

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Solution

The fourth proportional to 136,571.78, 204,855.23 and 52,309.10 is: 78,462.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,571.78 : 204,855.23 = 52,309.10 : x
  2. Step 2: Convert to fraction form
    136,571.78/204,855.23 = 52,309.10/x
  3. Step 3: Cross multiply
    136,571.78x = 204,855.23 × 52,309.10
  4. Step 4: Simplify right side
    136,571.78x = 10,715,791,425.77
  5. Step 5: Solve for x
    x = 10,715,791,425.77/136,571.78
  6. Step 6: Final answer
    x = 78,462.71

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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.