Home / 165,747.39-228,731.40-90,295.89

Finding the Fourth Proportional to 165,747.39, 228,731.40 and 90,295.89

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Solution

The fourth proportional to 165,747.39, 228,731.40 and 90,295.89 is: 124,608.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,747.39 : 228,731.40 = 90,295.89 : x
  2. Step 2: Convert to fraction form
    165,747.39/228,731.40 = 90,295.89/x
  3. Step 3: Cross multiply
    165,747.39x = 228,731.40 × 90,295.89
  4. Step 4: Simplify right side
    165,747.39x = 20,653,505,333.95
  5. Step 5: Solve for x
    x = 20,653,505,333.95/165,747.39
  6. Step 6: Final answer
    x = 124,608.33

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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.