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Finding the Fourth Proportional to 111,447.42, 167,169.30 and 44,885.94

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Solution

The fourth proportional to 111,447.42, 167,169.30 and 44,885.94 is: 67,328.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,447.42 : 167,169.30 = 44,885.94 : x
  2. Step 2: Convert to fraction form
    111,447.42/167,169.30 = 44,885.94/x
  3. Step 3: Cross multiply
    111,447.42x = 167,169.30 × 44,885.94
  4. Step 4: Simplify right side
    111,447.42x = 7,503,551,169.64
  5. Step 5: Solve for x
    x = 7,503,551,169.64/111,447.42
  6. Step 6: Final answer
    x = 67,328.17

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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.