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Finding the Fourth Proportional to 103,413.90, 155,149.65 and 50,825.10

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Solution

The fourth proportional to 103,413.90, 155,149.65 and 50,825.10 is: 76,251.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,413.90 : 155,149.65 = 50,825.10 : x
  2. Step 2: Convert to fraction form
    103,413.90/155,149.65 = 50,825.10/x
  3. Step 3: Cross multiply
    103,413.90x = 155,149.65 × 50,825.10
  4. Step 4: Simplify right side
    103,413.90x = 7,885,496,476.22
  5. Step 5: Solve for x
    x = 7,885,496,476.22/103,413.90
  6. Step 6: Final answer
    x = 76,251.80

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