Home / 165,645.41-228,361.07-111,845.21

Finding the Fourth Proportional to 165,645.41, 228,361.07 and 111,845.21

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Solution

The fourth proportional to 165,645.41, 228,361.07 and 111,845.21 is: 154,191.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,645.41 : 228,361.07 = 111,845.21 : x
  2. Step 2: Convert to fraction form
    165,645.41/228,361.07 = 111,845.21/x
  3. Step 3: Cross multiply
    165,645.41x = 228,361.07 × 111,845.21
  4. Step 4: Simplify right side
    165,645.41x = 25,541,090,967.78
  5. Step 5: Solve for x
    x = 25,541,090,967.78/165,645.41
  6. Step 6: Final answer
    x = 154,191.36

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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.