Home / 165,927.80-248,891.70-136,403.30

Finding the Fourth Proportional to 165,927.80, 248,891.70 and 136,403.30

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Solution

The fourth proportional to 165,927.80, 248,891.70 and 136,403.30 is: 204,604.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,927.80 : 248,891.70 = 136,403.30 : x
  2. Step 2: Convert to fraction form
    165,927.80/248,891.70 = 136,403.30/x
  3. Step 3: Cross multiply
    165,927.80x = 248,891.70 × 136,403.30
  4. Step 4: Simplify right side
    165,927.80x = 33,949,649,222.61
  5. Step 5: Solve for x
    x = 33,949,649,222.61/165,927.80
  6. Step 6: Final answer
    x = 204,604.95

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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.