Home / 165,836.54-228,891.40-105,395.42

Finding the Fourth Proportional to 165,836.54, 228,891.40 and 105,395.42

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Solution

The fourth proportional to 165,836.54, 228,891.40 and 105,395.42 is: 145,469.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,836.54 : 228,891.40 = 105,395.42 : x
  2. Step 2: Convert to fraction form
    165,836.54/228,891.40 = 105,395.42/x
  3. Step 3: Cross multiply
    165,836.54x = 228,891.40 × 105,395.42
  4. Step 4: Simplify right side
    165,836.54x = 24,124,105,237.39
  5. Step 5: Solve for x
    x = 24,124,105,237.39/165,836.54
  6. Step 6: Final answer
    x = 145,469.18

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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.