Home / 165,940.56-228,998.88-90,487.44

Finding the Fourth Proportional to 165,940.56, 228,998.88 and 90,487.44

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Solution

The fourth proportional to 165,940.56, 228,998.88 and 90,487.44 is: 124,873.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,940.56 : 228,998.88 = 90,487.44 : x
  2. Step 2: Convert to fraction form
    165,940.56/228,998.88 = 90,487.44/x
  3. Step 3: Cross multiply
    165,940.56x = 228,998.88 × 90,487.44
  4. Step 4: Simplify right side
    165,940.56x = 20,721,522,414.07
  5. Step 5: Solve for x
    x = 20,721,522,414.07/165,940.56
  6. Step 6: Final answer
    x = 124,873.16

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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.