Home / 111,891.20-167,906.75-45,331.67

Finding the Fourth Proportional to 111,891.20, 167,906.75 and 45,331.67

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Solution

The fourth proportional to 111,891.20, 167,906.75 and 45,331.67 is: 68,025.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,891.20 : 167,906.75 = 45,331.67 : x
  2. Step 2: Convert to fraction form
    111,891.20/167,906.75 = 45,331.67/x
  3. Step 3: Cross multiply
    111,891.20x = 167,906.75 × 45,331.67
  4. Step 4: Simplify right side
    111,891.20x = 7,611,492,315.58
  5. Step 5: Solve for x
    x = 7,611,492,315.58/111,891.20
  6. Step 6: Final answer
    x = 68,025.84

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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.