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Finding the Fourth Proportional to 92,377.49, 138,566.52 and 25,817.18

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Solution

The fourth proportional to 92,377.49, 138,566.52 and 25,817.18 is: 38,725.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,377.49 : 138,566.52 = 25,817.18 : x
  2. Step 2: Convert to fraction form
    92,377.49/138,566.52 = 25,817.18/x
  3. Step 3: Cross multiply
    92,377.49x = 138,566.52 × 25,817.18
  4. Step 4: Simplify right side
    92,377.49x = 3,577,396,031.44
  5. Step 5: Solve for x
    x = 3,577,396,031.44/92,377.49
  6. Step 6: Final answer
    x = 38,725.84

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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.