Home / 111,077.21-166,615.67-36,197.24

Finding the Fourth Proportional to 111,077.21, 166,615.67 and 36,197.24

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Solution

The fourth proportional to 111,077.21, 166,615.67 and 36,197.24 is: 54,295.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,077.21 : 166,615.67 = 36,197.24 : x
  2. Step 2: Convert to fraction form
    111,077.21/166,615.67 = 36,197.24/x
  3. Step 3: Cross multiply
    111,077.21x = 166,615.67 × 36,197.24
  4. Step 4: Simplify right side
    111,077.21x = 6,031,026,380.69
  5. Step 5: Solve for x
    x = 6,031,026,380.69/111,077.21
  6. Step 6: Final answer
    x = 54,295.81

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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.