Home / 111,011.48-166,519.30-36,131.38

Finding the Fourth Proportional to 111,011.48, 166,519.30 and 36,131.38

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Solution

The fourth proportional to 111,011.48, 166,519.30 and 36,131.38 is: 54,197.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,011.48 : 166,519.30 = 36,131.38 : x
  2. Step 2: Convert to fraction form
    111,011.48/166,519.30 = 36,131.38/x
  3. Step 3: Cross multiply
    111,011.48x = 166,519.30 × 36,131.38
  4. Step 4: Simplify right side
    111,011.48x = 6,016,572,105.63
  5. Step 5: Solve for x
    x = 6,016,572,105.63/111,011.48
  6. Step 6: Final answer
    x = 54,197.75

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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.