Home / 92,982.21-139,472.10-22,862.13

Finding the Fourth Proportional to 92,982.21, 139,472.10 and 22,862.13

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Solution

The fourth proportional to 92,982.21, 139,472.10 and 22,862.13 is: 34,292.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,982.21 : 139,472.10 = 22,862.13 : x
  2. Step 2: Convert to fraction form
    92,982.21/139,472.10 = 22,862.13/x
  3. Step 3: Cross multiply
    92,982.21x = 139,472.10 × 22,862.13
  4. Step 4: Simplify right side
    92,982.21x = 3,188,629,281.57
  5. Step 5: Solve for x
    x = 3,188,629,281.57/92,982.21
  6. Step 6: Final answer
    x = 34,292.90

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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.