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Finding the Fourth Proportional to 92,608.21, 127,799.67 and 50,166.64

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Solution

The fourth proportional to 92,608.21, 127,799.67 and 50,166.64 is: 69,230.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,608.21 : 127,799.67 = 50,166.64 : x
  2. Step 2: Convert to fraction form
    92,608.21/127,799.67 = 50,166.64/x
  3. Step 3: Cross multiply
    92,608.21x = 127,799.67 × 50,166.64
  4. Step 4: Simplify right side
    92,608.21x = 6,411,280,037.01
  5. Step 5: Solve for x
    x = 6,411,280,037.01/92,608.21
  6. Step 6: Final answer
    x = 69,230.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.