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Finding the Fourth Proportional to 167,298.92, 250,980.54 and 67,469.22

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Solution

The fourth proportional to 167,298.92, 250,980.54 and 67,469.22 is: 101,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,298.92 : 250,980.54 = 67,469.22 : x
  2. Step 2: Convert to fraction form
    167,298.92/250,980.54 = 67,469.22/x
  3. Step 3: Cross multiply
    167,298.92x = 250,980.54 × 67,469.22
  4. Step 4: Simplify right side
    167,298.92x = 16,933,461,268.98
  5. Step 5: Solve for x
    x = 16,933,461,268.98/167,298.92
  6. Step 6: Final answer
    x = 101,216.80

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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.