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Finding the Fourth Proportional to 113,241.26, 169,862.64 and 33,278.94

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Solution

The fourth proportional to 113,241.26, 169,862.64 and 33,278.94 is: 49,918.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,241.26 : 169,862.64 = 33,278.94 : x
  2. Step 2: Convert to fraction form
    113,241.26/169,862.64 = 33,278.94/x
  3. Step 3: Cross multiply
    113,241.26x = 169,862.64 × 33,278.94
  4. Step 4: Simplify right side
    113,241.26x = 5,652,848,480.01
  5. Step 5: Solve for x
    x = 5,652,848,480.01/113,241.26
  6. Step 6: Final answer
    x = 49,918.63

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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.