Home / 111,205.44-166,872.03-110,302.68

Finding the Fourth Proportional to 111,205.44, 166,872.03 and 110,302.68

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Solution

The fourth proportional to 111,205.44, 166,872.03 and 110,302.68 is: 165,517.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,205.44 : 166,872.03 = 110,302.68 : x
  2. Step 2: Convert to fraction form
    111,205.44/166,872.03 = 110,302.68/x
  3. Step 3: Cross multiply
    111,205.44x = 166,872.03 × 110,302.68
  4. Step 4: Simplify right side
    111,205.44x = 18,406,432,126.04
  5. Step 5: Solve for x
    x = 18,406,432,126.04/111,205.44
  6. Step 6: Final answer
    x = 165,517.37

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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.