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Finding the Fourth Proportional to 92,494.94, 138,751.77 and 25,935.26

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Solution

The fourth proportional to 92,494.94, 138,751.77 and 25,935.26 is: 38,905.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,494.94 : 138,751.77 = 25,935.26 : x
  2. Step 2: Convert to fraction form
    92,494.94/138,751.77 = 25,935.26/x
  3. Step 3: Cross multiply
    92,494.94x = 138,751.77 × 25,935.26
  4. Step 4: Simplify right side
    92,494.94x = 3,598,563,230.41
  5. Step 5: Solve for x
    x = 3,598,563,230.41/92,494.94
  6. Step 6: Final answer
    x = 38,905.51

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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.