Home / 200,721.43-276,975.61-115,865.83

Finding the Fourth Proportional to 200,721.43, 276,975.61 and 115,865.83

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Solution

The fourth proportional to 200,721.43, 276,975.61 and 115,865.83 is: 159,883.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,721.43 : 276,975.61 = 115,865.83 : x
  2. Step 2: Convert to fraction form
    200,721.43/276,975.61 = 115,865.83/x
  3. Step 3: Cross multiply
    200,721.43x = 276,975.61 × 115,865.83
  4. Step 4: Simplify right side
    200,721.43x = 32,092,008,942.41
  5. Step 5: Solve for x
    x = 32,092,008,942.41/200,721.43
  6. Step 6: Final answer
    x = 159,883.32

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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.