Home / 110,960.20-166,343.10-66,539.80

Finding the Fourth Proportional to 110,960.20, 166,343.10 and 66,539.80

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Solution

The fourth proportional to 110,960.20, 166,343.10 and 66,539.80 is: 99,751.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,960.20 : 166,343.10 = 66,539.80 : x
  2. Step 2: Convert to fraction form
    110,960.20/166,343.10 = 66,539.80/x
  3. Step 3: Cross multiply
    110,960.20x = 166,343.10 × 66,539.80
  4. Step 4: Simplify right side
    110,960.20x = 11,068,436,605.38
  5. Step 5: Solve for x
    x = 11,068,436,605.38/110,960.20
  6. Step 6: Final answer
    x = 99,751.41

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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.