Home / 135,722.27-203,600.61-51,511.83

Finding the Fourth Proportional to 135,722.27, 203,600.61 and 51,511.83

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Solution

The fourth proportional to 135,722.27, 203,600.61 and 51,511.83 is: 77,274.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,722.27 : 203,600.61 = 51,511.83 : x
  2. Step 2: Convert to fraction form
    135,722.27/203,600.61 = 51,511.83/x
  3. Step 3: Cross multiply
    135,722.27x = 203,600.61 × 51,511.83
  4. Step 4: Simplify right side
    135,722.27x = 10,487,840,010.22
  5. Step 5: Solve for x
    x = 10,487,840,010.22/135,722.27
  6. Step 6: Final answer
    x = 77,274.28

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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.