Home / 165,976.49-248,837.13-85,928.65

Finding the Fourth Proportional to 165,976.49, 248,837.13 and 85,928.65

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Solution

The fourth proportional to 165,976.49, 248,837.13 and 85,928.65 is: 128,826.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,976.49 : 248,837.13 = 85,928.65 : x
  2. Step 2: Convert to fraction form
    165,976.49/248,837.13 = 85,928.65/x
  3. Step 3: Cross multiply
    165,976.49x = 248,837.13 × 85,928.65
  4. Step 4: Simplify right side
    165,976.49x = 21,382,238,028.68
  5. Step 5: Solve for x
    x = 21,382,238,028.68/165,976.49
  6. Step 6: Final answer
    x = 128,826.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.