Home / 165,644.87-228,531.62-108,317.72

Finding the Fourth Proportional to 165,644.87, 228,531.62 and 108,317.72

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Solution

The fourth proportional to 165,644.87, 228,531.62 and 108,317.72 is: 149,440.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,644.87 : 228,531.62 = 108,317.72 : x
  2. Step 2: Convert to fraction form
    165,644.87/228,531.62 = 108,317.72/x
  3. Step 3: Cross multiply
    165,644.87x = 228,531.62 × 108,317.72
  4. Step 4: Simplify right side
    165,644.87x = 24,754,022,342.06
  5. Step 5: Solve for x
    x = 24,754,022,342.06/165,644.87
  6. Step 6: Final answer
    x = 149,440.32

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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.