Home / 92,716.28-139,098.72-40,113.44

Finding the Fourth Proportional to 92,716.28, 139,098.72 and 40,113.44

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Solution

The fourth proportional to 92,716.28, 139,098.72 and 40,113.44 is: 60,180.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,716.28 : 139,098.72 = 40,113.44 : x
  2. Step 2: Convert to fraction form
    92,716.28/139,098.72 = 40,113.44/x
  3. Step 3: Cross multiply
    92,716.28x = 139,098.72 × 40,113.44
  4. Step 4: Simplify right side
    92,716.28x = 5,579,728,158.80
  5. Step 5: Solve for x
    x = 5,579,728,158.80/92,716.28
  6. Step 6: Final answer
    x = 60,180.67

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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.