Home / 165,699.11-228,680.67-102,074.15

Finding the Fourth Proportional to 165,699.11, 228,680.67 and 102,074.15

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Solution

The fourth proportional to 165,699.11, 228,680.67 and 102,074.15 is: 140,872.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,699.11 : 228,680.67 = 102,074.15 : x
  2. Step 2: Convert to fraction form
    165,699.11/228,680.67 = 102,074.15/x
  3. Step 3: Cross multiply
    165,699.11x = 228,680.67 × 102,074.15
  4. Step 4: Simplify right side
    165,699.11x = 23,342,383,868.28
  5. Step 5: Solve for x
    x = 23,342,383,868.28/165,699.11
  6. Step 6: Final answer
    x = 140,872.12

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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.