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Finding the Fourth Proportional to 133,253.68, 199,791.60 and 54,346.72

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Solution

The fourth proportional to 133,253.68, 199,791.60 and 54,346.72 is: 81,483.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,253.68 : 199,791.60 = 54,346.72 : x
  2. Step 2: Convert to fraction form
    133,253.68/199,791.60 = 54,346.72/x
  3. Step 3: Cross multiply
    133,253.68x = 199,791.60 × 54,346.72
  4. Step 4: Simplify right side
    133,253.68x = 10,858,018,143.55
  5. Step 5: Solve for x
    x = 10,858,018,143.55/133,253.68
  6. Step 6: Final answer
    x = 81,483.81

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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.