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Finding the Fourth Proportional to 111,239.47, 166,845.30 and 36,353.35

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Solution

The fourth proportional to 111,239.47, 166,845.30 and 36,353.35 is: 54,525.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,239.47 : 166,845.30 = 36,353.35 : x
  2. Step 2: Convert to fraction form
    111,239.47/166,845.30 = 36,353.35/x
  3. Step 3: Cross multiply
    111,239.47x = 166,845.30 × 36,353.35
  4. Step 4: Simplify right side
    111,239.47x = 6,065,385,404.99
  5. Step 5: Solve for x
    x = 6,065,385,404.99/111,239.47
  6. Step 6: Final answer
    x = 54,525.48

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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.