Home / 200,709.75-276,979.17-115,826.82

Finding the Fourth Proportional to 200,709.75, 276,979.17 and 115,826.82

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Solution

The fourth proportional to 200,709.75, 276,979.17 and 115,826.82 is: 159,840.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,709.75 : 276,979.17 = 115,826.82 : x
  2. Step 2: Convert to fraction form
    200,709.75/276,979.17 = 115,826.82/x
  3. Step 3: Cross multiply
    200,709.75x = 276,979.17 × 115,826.82
  4. Step 4: Simplify right side
    200,709.75x = 32,081,616,467.34
  5. Step 5: Solve for x
    x = 32,081,616,467.34/200,709.75
  6. Step 6: Final answer
    x = 159,840.85

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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.