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Finding the Fourth Proportional to 135,065.67, 202,606.43 and 50,826.55

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Solution

The fourth proportional to 135,065.67, 202,606.43 and 50,826.55 is: 76,242.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,065.67 : 202,606.43 = 50,826.55 : x
  2. Step 2: Convert to fraction form
    135,065.67/202,606.43 = 50,826.55/x
  3. Step 3: Cross multiply
    135,065.67x = 202,606.43 × 50,826.55
  4. Step 4: Simplify right side
    135,065.67x = 10,297,785,844.72
  5. Step 5: Solve for x
    x = 10,297,785,844.72/135,065.67
  6. Step 6: Final answer
    x = 76,242.81

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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.