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Finding the Fourth Proportional to 92,242.36, 138,382.98 and 29,908

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Solution

The fourth proportional to 92,242.36, 138,382.98 and 29,908 is: 44,868.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,242.36 : 138,382.98 = 29,908 : x
  2. Step 2: Convert to fraction form
    92,242.36/138,382.98 = 29,908/x
  3. Step 3: Cross multiply
    92,242.36x = 138,382.98 × 29,908
  4. Step 4: Simplify right side
    92,242.36x = 4,138,758,165.84
  5. Step 5: Solve for x
    x = 4,138,758,165.84/92,242.36
  6. Step 6: Final answer
    x = 44,868.30

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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.