Home / 135,936.99-203,905.62-51,677.37

Finding the Fourth Proportional to 135,936.99, 203,905.62 and 51,677.37

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Solution

The fourth proportional to 135,936.99, 203,905.62 and 51,677.37 is: 77,516.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,936.99 : 203,905.62 = 51,677.37 : x
  2. Step 2: Convert to fraction form
    135,936.99/203,905.62 = 51,677.37/x
  3. Step 3: Cross multiply
    135,936.99x = 203,905.62 × 51,677.37
  4. Step 4: Simplify right side
    135,936.99x = 10,537,306,169.82
  5. Step 5: Solve for x
    x = 10,537,306,169.82/135,936.99
  6. Step 6: Final answer
    x = 77,516.11

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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.