Home / 165,040.89-227,761.85-93,419.38

Finding the Fourth Proportional to 165,040.89, 227,761.85 and 93,419.38

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Solution

The fourth proportional to 165,040.89, 227,761.85 and 93,419.38 is: 128,921.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,040.89 : 227,761.85 = 93,419.38 : x
  2. Step 2: Convert to fraction form
    165,040.89/227,761.85 = 93,419.38/x
  3. Step 3: Cross multiply
    165,040.89x = 227,761.85 × 93,419.38
  4. Step 4: Simplify right side
    165,040.89x = 21,277,370,478.80
  5. Step 5: Solve for x
    x = 21,277,370,478.80/165,040.89
  6. Step 6: Final answer
    x = 128,921.81

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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.