Home / 165,606.68-228,536.88-90,155.72

Finding the Fourth Proportional to 165,606.68, 228,536.88 and 90,155.72

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Solution

The fourth proportional to 165,606.68, 228,536.88 and 90,155.72 is: 124,414.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,606.68 : 228,536.88 = 90,155.72 : x
  2. Step 2: Convert to fraction form
    165,606.68/228,536.88 = 90,155.72/x
  3. Step 3: Cross multiply
    165,606.68x = 228,536.88 × 90,155.72
  4. Step 4: Simplify right side
    165,606.68x = 20,603,906,962.95
  5. Step 5: Solve for x
    x = 20,603,906,962.95/165,606.68
  6. Step 6: Final answer
    x = 124,414.71

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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.