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Finding the Fourth Proportional to 92,531.71, 138,797.10 and 22,411.02

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Solution

The fourth proportional to 92,531.71, 138,797.10 and 22,411.02 is: 33,616.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,531.71 : 138,797.10 = 22,411.02 : x
  2. Step 2: Convert to fraction form
    92,531.71/138,797.10 = 22,411.02/x
  3. Step 3: Cross multiply
    92,531.71x = 138,797.10 × 22,411.02
  4. Step 4: Simplify right side
    92,531.71x = 3,110,585,104.53
  5. Step 5: Solve for x
    x = 3,110,585,104.53/92,531.71
  6. Step 6: Final answer
    x = 33,616.42

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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.