Home / 111,146.24-166,736.80-36,249.12

Finding the Fourth Proportional to 111,146.24, 166,736.80 and 36,249.12

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Solution

The fourth proportional to 111,146.24, 166,736.80 and 36,249.12 is: 54,379.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,146.24 : 166,736.80 = 36,249.12 : x
  2. Step 2: Convert to fraction form
    111,146.24/166,736.80 = 36,249.12/x
  3. Step 3: Cross multiply
    111,146.24x = 166,736.80 × 36,249.12
  4. Step 4: Simplify right side
    111,146.24x = 6,044,062,271.62
  5. Step 5: Solve for x
    x = 6,044,062,271.62/111,146.24
  6. Step 6: Final answer
    x = 54,379.37

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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.