Home / 200,729.43-276,986.66-115,873.83

Finding the Fourth Proportional to 200,729.43, 276,986.66 and 115,873.83

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Solution

The fourth proportional to 200,729.43, 276,986.66 and 115,873.83 is: 159,894.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,729.43 : 276,986.66 = 115,873.83 : x
  2. Step 2: Convert to fraction form
    200,729.43/276,986.66 = 115,873.83/x
  3. Step 3: Cross multiply
    200,729.43x = 276,986.66 × 115,873.83
  4. Step 4: Simplify right side
    200,729.43x = 32,095,504,573.74
  5. Step 5: Solve for x
    x = 32,095,504,573.74/200,729.43
  6. Step 6: Final answer
    x = 159,894.36

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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.