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Finding the Fourth Proportional to 80,238.84, 120,369.99 and 24,083.39

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Solution

The fourth proportional to 80,238.84, 120,369.99 and 24,083.39 is: 36,128.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,238.84 : 120,369.99 = 24,083.39 : x
  2. Step 2: Convert to fraction form
    80,238.84/120,369.99 = 24,083.39/x
  3. Step 3: Cross multiply
    80,238.84x = 120,369.99 × 24,083.39
  4. Step 4: Simplify right side
    80,238.84x = 2,898,917,413.47
  5. Step 5: Solve for x
    x = 2,898,917,413.47/80,238.84
  6. Step 6: Final answer
    x = 36,128.61

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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.