Home / 165,334.88-228,163.75-89,885

Finding the Fourth Proportional to 165,334.88, 228,163.75 and 89,885

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Solution

The fourth proportional to 165,334.88, 228,163.75 and 89,885 is: 124,042.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,334.88 : 228,163.75 = 89,885 : x
  2. Step 2: Convert to fraction form
    165,334.88/228,163.75 = 89,885/x
  3. Step 3: Cross multiply
    165,334.88x = 228,163.75 × 89,885
  4. Step 4: Simplify right side
    165,334.88x = 20,508,498,668.75
  5. Step 5: Solve for x
    x = 20,508,498,668.75/165,334.88
  6. Step 6: Final answer
    x = 124,042.18

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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.