Home / 123,413.63-185,121.05-29,919.38

Finding the Fourth Proportional to 123,413.63, 185,121.05 and 29,919.38

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Solution

The fourth proportional to 123,413.63, 185,121.05 and 29,919.38 is: 44,879.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,413.63 : 185,121.05 = 29,919.38 : x
  2. Step 2: Convert to fraction form
    123,413.63/185,121.05 = 29,919.38/x
  3. Step 3: Cross multiply
    123,413.63x = 185,121.05 × 29,919.38
  4. Step 4: Simplify right side
    123,413.63x = 5,538,705,965.75
  5. Step 5: Solve for x
    x = 5,538,705,965.75/123,413.63
  6. Step 6: Final answer
    x = 44,879.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.