Home / 165,949.83-229,047.03-105,508.67

Finding the Fourth Proportional to 165,949.83, 229,047.03 and 105,508.67

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Solution

The fourth proportional to 165,949.83, 229,047.03 and 105,508.67 is: 145,625.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,949.83 : 229,047.03 = 105,508.67 : x
  2. Step 2: Convert to fraction form
    165,949.83/229,047.03 = 105,508.67/x
  3. Step 3: Cross multiply
    165,949.83x = 229,047.03 × 105,508.67
  4. Step 4: Simplify right side
    165,949.83x = 24,166,447,843.73
  5. Step 5: Solve for x
    x = 24,166,447,843.73/165,949.83
  6. Step 6: Final answer
    x = 145,625.02

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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.