Home / 165,674.20-248,511.30-81,447.37

Finding the Fourth Proportional to 165,674.20, 248,511.30 and 81,447.37

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Solution

The fourth proportional to 165,674.20, 248,511.30 and 81,447.37 is: 122,171.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,674.20 : 248,511.30 = 81,447.37 : x
  2. Step 2: Convert to fraction form
    165,674.20/248,511.30 = 81,447.37/x
  3. Step 3: Cross multiply
    165,674.20x = 248,511.30 × 81,447.37
  4. Step 4: Simplify right side
    165,674.20x = 20,240,591,800.28
  5. Step 5: Solve for x
    x = 20,240,591,800.28/165,674.20
  6. Step 6: Final answer
    x = 122,171.06

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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.