Home / 123,413.02-170,310.09-66,824.26

Finding the Fourth Proportional to 123,413.02, 170,310.09 and 66,824.26

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Solution

The fourth proportional to 123,413.02, 170,310.09 and 66,824.26 is: 92,217.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,413.02 : 170,310.09 = 66,824.26 : x
  2. Step 2: Convert to fraction form
    123,413.02/170,310.09 = 66,824.26/x
  3. Step 3: Cross multiply
    123,413.02x = 170,310.09 × 66,824.26
  4. Step 4: Simplify right side
    123,413.02x = 11,380,845,734.78
  5. Step 5: Solve for x
    x = 11,380,845,734.78/123,413.02
  6. Step 6: Final answer
    x = 92,217.55

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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.