Home / 200,359.13-276,495.60-115,481.66

Finding the Fourth Proportional to 200,359.13, 276,495.60 and 115,481.66

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Solution

The fourth proportional to 200,359.13, 276,495.60 and 115,481.66 is: 159,364.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,359.13 : 276,495.60 = 115,481.66 : x
  2. Step 2: Convert to fraction form
    200,359.13/276,495.60 = 115,481.66/x
  3. Step 3: Cross multiply
    200,359.13x = 276,495.60 × 115,481.66
  4. Step 4: Simplify right side
    200,359.13x = 31,930,169,488.22
  5. Step 5: Solve for x
    x = 31,930,169,488.22/200,359.13
  6. Step 6: Final answer
    x = 159,364.69

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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.