Home / 165,826.85-228,841.27-90,375.35

Finding the Fourth Proportional to 165,826.85, 228,841.27 and 90,375.35

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Solution

The fourth proportional to 165,826.85, 228,841.27 and 90,375.35 is: 124,718.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,826.85 : 228,841.27 = 90,375.35 : x
  2. Step 2: Convert to fraction form
    165,826.85/228,841.27 = 90,375.35/x
  3. Step 3: Cross multiply
    165,826.85x = 228,841.27 × 90,375.35
  4. Step 4: Simplify right side
    165,826.85x = 20,681,608,500.55
  5. Step 5: Solve for x
    x = 20,681,608,500.55/165,826.85
  6. Step 6: Final answer
    x = 124,718.10

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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.