Home / 165,493.13-228,380.51-90,042.17

Finding the Fourth Proportional to 165,493.13, 228,380.51 and 90,042.17

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Solution

The fourth proportional to 165,493.13, 228,380.51 and 90,042.17 is: 124,258.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,493.13 : 228,380.51 = 90,042.17 : x
  2. Step 2: Convert to fraction form
    165,493.13/228,380.51 = 90,042.17/x
  3. Step 3: Cross multiply
    165,493.13x = 228,380.51 × 90,042.17
  4. Step 4: Simplify right side
    165,493.13x = 20,563,875,789.31
  5. Step 5: Solve for x
    x = 20,563,875,789.31/165,493.13
  6. Step 6: Final answer
    x = 124,258.19

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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.