Home / 165,826.44-228,840.66-90,375

Finding the Fourth Proportional to 165,826.44, 228,840.66 and 90,375

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Solution

The fourth proportional to 165,826.44, 228,840.66 and 90,375 is: 124,717.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,826.44 : 228,840.66 = 90,375 : x
  2. Step 2: Convert to fraction form
    165,826.44/228,840.66 = 90,375/x
  3. Step 3: Cross multiply
    165,826.44x = 228,840.66 × 90,375
  4. Step 4: Simplify right side
    165,826.44x = 20,681,474,647.50
  5. Step 5: Solve for x
    x = 20,681,474,647.50/165,826.44
  6. Step 6: Final answer
    x = 124,717.59

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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.