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Finding the Fourth Proportional to 117,339.71, 176,019.89 and 33,100.52

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Solution

The fourth proportional to 117,339.71, 176,019.89 and 33,100.52 is: 49,653.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,339.71 : 176,019.89 = 33,100.52 : x
  2. Step 2: Convert to fraction form
    117,339.71/176,019.89 = 33,100.52/x
  3. Step 3: Cross multiply
    117,339.71x = 176,019.89 × 33,100.52
  4. Step 4: Simplify right side
    117,339.71x = 5,826,348,843.74
  5. Step 5: Solve for x
    x = 5,826,348,843.74/117,339.71
  6. Step 6: Final answer
    x = 49,653.69

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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.