Home / 165,851.28-228,693.89-112,042.87

Finding the Fourth Proportional to 165,851.28, 228,693.89 and 112,042.87

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Solution

The fourth proportional to 165,851.28, 228,693.89 and 112,042.87 is: 154,496.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,851.28 : 228,693.89 = 112,042.87 : x
  2. Step 2: Convert to fraction form
    165,851.28/228,693.89 = 112,042.87/x
  3. Step 3: Cross multiply
    165,851.28x = 228,693.89 × 112,042.87
  4. Step 4: Simplify right side
    165,851.28x = 25,623,519,495.44
  5. Step 5: Solve for x
    x = 25,623,519,495.44/165,851.28
  6. Step 6: Final answer
    x = 154,496.97

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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.