Home / 165,266.92-227,763.30-138,413.80

Finding the Fourth Proportional to 165,266.92, 227,763.30 and 138,413.80

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Solution

The fourth proportional to 165,266.92, 227,763.30 and 138,413.80 is: 190,755.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,266.92 : 227,763.30 = 138,413.80 : x
  2. Step 2: Convert to fraction form
    165,266.92/227,763.30 = 138,413.80/x
  3. Step 3: Cross multiply
    165,266.92x = 227,763.30 × 138,413.80
  4. Step 4: Simplify right side
    165,266.92x = 31,525,583,853.54
  5. Step 5: Solve for x
    x = 31,525,583,853.54/165,266.92
  6. Step 6: Final answer
    x = 190,755.56

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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.