Home / 78,092.13-117,149.65-24,766.32

Finding the Fourth Proportional to 78,092.13, 117,149.65 and 24,766.32

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Solution

The fourth proportional to 78,092.13, 117,149.65 and 24,766.32 is: 37,153.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,092.13 : 117,149.65 = 24,766.32 : x
  2. Step 2: Convert to fraction form
    78,092.13/117,149.65 = 24,766.32/x
  3. Step 3: Cross multiply
    78,092.13x = 117,149.65 × 24,766.32
  4. Step 4: Simplify right side
    78,092.13x = 2,901,365,912.68
  5. Step 5: Solve for x
    x = 2,901,365,912.68/78,092.13
  6. Step 6: Final answer
    x = 37,153.11

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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.