Home / 165,510.38-247,939.92-109,178.39

Finding the Fourth Proportional to 165,510.38, 247,939.92 and 109,178.39

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Solution

The fourth proportional to 165,510.38, 247,939.92 and 109,178.39 is: 163,552.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,510.38 : 247,939.92 = 109,178.39 : x
  2. Step 2: Convert to fraction form
    165,510.38/247,939.92 = 109,178.39/x
  3. Step 3: Cross multiply
    165,510.38x = 247,939.92 × 109,178.39
  4. Step 4: Simplify right side
    165,510.38x = 27,069,680,736.44
  5. Step 5: Solve for x
    x = 27,069,680,736.44/165,510.38
  6. Step 6: Final answer
    x = 163,552.77

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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.