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Finding the Fourth Proportional to 167,683.10, 251,497.31 and 49,326.76

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Solution

The fourth proportional to 167,683.10, 251,497.31 and 49,326.76 is: 73,982.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,683.10 : 251,497.31 = 49,326.76 : x
  2. Step 2: Convert to fraction form
    167,683.10/251,497.31 = 49,326.76/x
  3. Step 3: Cross multiply
    167,683.10x = 251,497.31 × 49,326.76
  4. Step 4: Simplify right side
    167,683.10x = 12,405,545,946.90
  5. Step 5: Solve for x
    x = 12,405,545,946.90/167,683.10
  6. Step 6: Final answer
    x = 73,982.09

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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.