Home / 165,676.20-228,635.76-90,224.64

Finding the Fourth Proportional to 165,676.20, 228,635.76 and 90,224.64

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Solution

The fourth proportional to 165,676.20, 228,635.76 and 90,224.64 is: 124,511.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,676.20 : 228,635.76 = 90,224.64 : x
  2. Step 2: Convert to fraction form
    165,676.20/228,635.76 = 90,224.64/x
  3. Step 3: Cross multiply
    165,676.20x = 228,635.76 × 90,224.64
  4. Step 4: Simplify right side
    165,676.20x = 20,628,579,137.13
  5. Step 5: Solve for x
    x = 20,628,579,137.13/165,676.20
  6. Step 6: Final answer
    x = 124,511.42

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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.