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Finding the Fourth Proportional to 117,908.26, 176,869.31 and 33,661.94

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Solution

The fourth proportional to 117,908.26, 176,869.31 and 33,661.94 is: 50,494.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,908.26 : 176,869.31 = 33,661.94 : x
  2. Step 2: Convert to fraction form
    117,908.26/176,869.31 = 33,661.94/x
  3. Step 3: Cross multiply
    117,908.26x = 176,869.31 × 33,661.94
  4. Step 4: Simplify right side
    117,908.26x = 5,953,764,101.06
  5. Step 5: Solve for x
    x = 5,953,764,101.06/117,908.26
  6. Step 6: Final answer
    x = 50,494.89

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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.