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Finding the Fourth Proportional to 92,382.61, 138,573.92 and 22,261.93

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Solution

The fourth proportional to 92,382.61, 138,573.92 and 22,261.93 is: 33,392.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,382.61 : 138,573.92 = 22,261.93 : x
  2. Step 2: Convert to fraction form
    92,382.61/138,573.92 = 22,261.93/x
  3. Step 3: Cross multiply
    92,382.61x = 138,573.92 × 22,261.93
  4. Step 4: Simplify right side
    92,382.61x = 3,084,922,906.87
  5. Step 5: Solve for x
    x = 3,084,922,906.87/92,382.61
  6. Step 6: Final answer
    x = 33,392.90

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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.