Home / 135,043.20-202,440.96-51,874.56

Finding the Fourth Proportional to 135,043.20, 202,440.96 and 51,874.56

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Solution

The fourth proportional to 135,043.20, 202,440.96 and 51,874.56 is: 77,764.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,043.20 : 202,440.96 = 51,874.56 : x
  2. Step 2: Convert to fraction form
    135,043.20/202,440.96 = 51,874.56/x
  3. Step 3: Cross multiply
    135,043.20x = 202,440.96 × 51,874.56
  4. Step 4: Simplify right side
    135,043.20x = 10,501,535,725.98
  5. Step 5: Solve for x
    x = 10,501,535,725.98/135,043.20
  6. Step 6: Final answer
    x = 77,764.27

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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.