Home / 165,742.20-228,716.28-94,112.76

Finding the Fourth Proportional to 165,742.20, 228,716.28 and 94,112.76

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Solution

The fourth proportional to 165,742.20, 228,716.28 and 94,112.76 is: 129,871.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,742.20 : 228,716.28 = 94,112.76 : x
  2. Step 2: Convert to fraction form
    165,742.20/228,716.28 = 94,112.76/x
  3. Step 3: Cross multiply
    165,742.20x = 228,716.28 × 94,112.76
  4. Step 4: Simplify right side
    165,742.20x = 21,525,120,367.73
  5. Step 5: Solve for x
    x = 21,525,120,367.73/165,742.20
  6. Step 6: Final answer
    x = 129,871.09

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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.