Home / 165,560.50-228,473.49-90,109.54

Finding the Fourth Proportional to 165,560.50, 228,473.49 and 90,109.54

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Solution

The fourth proportional to 165,560.50, 228,473.49 and 90,109.54 is: 124,351.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,560.50 : 228,473.49 = 90,109.54 : x
  2. Step 2: Convert to fraction form
    165,560.50/228,473.49 = 90,109.54/x
  3. Step 3: Cross multiply
    165,560.50x = 228,473.49 × 90,109.54
  4. Step 4: Simplify right side
    165,560.50x = 20,587,641,086.09
  5. Step 5: Solve for x
    x = 20,587,641,086.09/165,560.50
  6. Step 6: Final answer
    x = 124,351.17

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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.