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Finding the Fourth Proportional to 92,934.70, 139,401.90 and 26,375.48

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Solution

The fourth proportional to 92,934.70, 139,401.90 and 26,375.48 is: 39,563.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,934.70 : 139,401.90 = 26,375.48 : x
  2. Step 2: Convert to fraction form
    92,934.70/139,401.90 = 26,375.48/x
  3. Step 3: Cross multiply
    92,934.70x = 139,401.90 × 26,375.48
  4. Step 4: Simplify right side
    92,934.70x = 3,676,792,025.41
  5. Step 5: Solve for x
    x = 3,676,792,025.41/92,934.70
  6. Step 6: Final answer
    x = 39,563.18

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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.