Home / 111,964.20-167,943.25-45,402.85

Finding the Fourth Proportional to 111,964.20, 167,943.25 and 45,402.85

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Solution

The fourth proportional to 111,964.20, 167,943.25 and 45,402.85 is: 68,103.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,964.20 : 167,943.25 = 45,402.85 : x
  2. Step 2: Convert to fraction form
    111,964.20/167,943.25 = 45,402.85/x
  3. Step 3: Cross multiply
    111,964.20x = 167,943.25 × 45,402.85
  4. Step 4: Simplify right side
    111,964.20x = 7,625,102,188.26
  5. Step 5: Solve for x
    x = 7,625,102,188.26/111,964.20
  6. Step 6: Final answer
    x = 68,103.04

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1.5x scale

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.