Home / 195,815.39-270,204.91-115,238.10

Finding the Fourth Proportional to 195,815.39, 270,204.91 and 115,238.10

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Solution

The fourth proportional to 195,815.39, 270,204.91 and 115,238.10 is: 159,016.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,815.39 : 270,204.91 = 115,238.10 : x
  2. Step 2: Convert to fraction form
    195,815.39/270,204.91 = 115,238.10/x
  3. Step 3: Cross multiply
    195,815.39x = 270,204.91 × 115,238.10
  4. Step 4: Simplify right side
    195,815.39x = 31,137,901,164.24
  5. Step 5: Solve for x
    x = 31,137,901,164.24/195,815.39
  6. Step 6: Final answer
    x = 159,016.62

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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.