Home / 165,763.44-228,753.72-90,311.94

Finding the Fourth Proportional to 165,763.44, 228,753.72 and 90,311.94

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Solution

The fourth proportional to 165,763.44, 228,753.72 and 90,311.94 is: 124,630.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,763.44 : 228,753.72 = 90,311.94 : x
  2. Step 2: Convert to fraction form
    165,763.44/228,753.72 = 90,311.94/x
  3. Step 3: Cross multiply
    165,763.44x = 228,753.72 × 90,311.94
  4. Step 4: Simplify right side
    165,763.44x = 20,659,192,235.42
  5. Step 5: Solve for x
    x = 20,659,192,235.42/165,763.44
  6. Step 6: Final answer
    x = 124,630.57

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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.