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Finding the Fourth Proportional to 192,760.43, 287,761.01 and 167,544.68

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Solution

The fourth proportional to 192,760.43, 287,761.01 and 167,544.68 is: 250,117.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,760.43 : 287,761.01 = 167,544.68 : x
  2. Step 2: Convert to fraction form
    192,760.43/287,761.01 = 167,544.68/x
  3. Step 3: Cross multiply
    192,760.43x = 287,761.01 × 167,544.68
  4. Step 4: Simplify right side
    192,760.43x = 48,212,824,060.40
  5. Step 5: Solve for x
    x = 48,212,824,060.40/192,760.43
  6. Step 6: Final answer
    x = 250,117.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.