Home / 165,974.96-229,042.68-90,518.96

Finding the Fourth Proportional to 165,974.96, 229,042.68 and 90,518.96

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Solution

The fourth proportional to 165,974.96, 229,042.68 and 90,518.96 is: 124,914.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,974.96 : 229,042.68 = 90,518.96 : x
  2. Step 2: Convert to fraction form
    165,974.96/229,042.68 = 90,518.96/x
  3. Step 3: Cross multiply
    165,974.96x = 229,042.68 × 90,518.96
  4. Step 4: Simplify right side
    165,974.96x = 20,732,705,189.21
  5. Step 5: Solve for x
    x = 20,732,705,189.21/165,974.96
  6. Step 6: Final answer
    x = 124,914.66

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1.5x scale

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.