Home / 208,769.38-288,176.46-123,886.44

Finding the Fourth Proportional to 208,769.38, 288,176.46 and 123,886.44

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Solution

The fourth proportional to 208,769.38, 288,176.46 and 123,886.44 is: 171,007.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,769.38 : 288,176.46 = 123,886.44 : x
  2. Step 2: Convert to fraction form
    208,769.38/288,176.46 = 123,886.44/x
  3. Step 3: Cross multiply
    208,769.38x = 288,176.46 × 123,886.44
  4. Step 4: Simplify right side
    208,769.38x = 35,701,155,721.20
  5. Step 5: Solve for x
    x = 35,701,155,721.20/208,769.38
  6. Step 6: Final answer
    x = 171,007.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.