Home / 135,161.10-202,679.24-49,750.50

Finding the Fourth Proportional to 135,161.10, 202,679.24 and 49,750.50

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Solution

The fourth proportional to 135,161.10, 202,679.24 and 49,750.50 is: 74,602.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,161.10 : 202,679.24 = 49,750.50 : x
  2. Step 2: Convert to fraction form
    135,161.10/202,679.24 = 49,750.50/x
  3. Step 3: Cross multiply
    135,161.10x = 202,679.24 × 49,750.50
  4. Step 4: Simplify right side
    135,161.10x = 10,083,393,529.62
  5. Step 5: Solve for x
    x = 10,083,393,529.62/135,161.10
  6. Step 6: Final answer
    x = 74,602.78

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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.