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Finding the Fourth Proportional to 167,106.52, 250,873.50 and 143,564.68

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Solution

The fourth proportional to 167,106.52, 250,873.50 and 143,564.68 is: 215,530.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,106.52 : 250,873.50 = 143,564.68 : x
  2. Step 2: Convert to fraction form
    167,106.52/250,873.50 = 143,564.68/x
  3. Step 3: Cross multiply
    167,106.52x = 250,873.50 × 143,564.68
  4. Step 4: Simplify right side
    167,106.52x = 36,016,573,747.98
  5. Step 5: Solve for x
    x = 36,016,573,747.98/167,106.52
  6. Step 6: Final answer
    x = 215,530.63

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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.