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Finding the Fourth Proportional to 167,190.42, 250,871.62 and 111,069.30

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Solution

The fourth proportional to 167,190.42, 250,871.62 and 111,069.30 is: 166,661.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,190.42 : 250,871.62 = 111,069.30 : x
  2. Step 2: Convert to fraction form
    167,190.42/250,871.62 = 111,069.30/x
  3. Step 3: Cross multiply
    167,190.42x = 250,871.62 × 111,069.30
  4. Step 4: Simplify right side
    167,190.42x = 27,864,135,223.27
  5. Step 5: Solve for x
    x = 27,864,135,223.27/167,190.42
  6. Step 6: Final answer
    x = 166,661.08

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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.