Home / 165,964.68-229,027.77-90,513.18

Finding the Fourth Proportional to 165,964.68, 229,027.77 and 90,513.18

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Solution

The fourth proportional to 165,964.68, 229,027.77 and 90,513.18 is: 124,906.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,964.68 : 229,027.77 = 90,513.18 : x
  2. Step 2: Convert to fraction form
    165,964.68/229,027.77 = 90,513.18/x
  3. Step 3: Cross multiply
    165,964.68x = 229,027.77 × 90,513.18
  4. Step 4: Simplify right side
    165,964.68x = 20,730,031,771.01
  5. Step 5: Solve for x
    x = 20,730,031,771.01/165,964.68
  6. Step 6: Final answer
    x = 124,906.29

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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.