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Finding the Fourth Proportional to 92,872.17, 139,308.26 and 22,750.88

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Solution

The fourth proportional to 92,872.17, 139,308.26 and 22,750.88 is: 34,126.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,872.17 : 139,308.26 = 22,750.88 : x
  2. Step 2: Convert to fraction form
    92,872.17/139,308.26 = 22,750.88/x
  3. Step 3: Cross multiply
    92,872.17x = 139,308.26 × 22,750.88
  4. Step 4: Simplify right side
    92,872.17x = 3,169,384,695.97
  5. Step 5: Solve for x
    x = 3,169,384,695.97/92,872.17
  6. Step 6: Final answer
    x = 34,126.31

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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.