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Finding the Fourth Proportional to 173,114.55, 259,515.09 and 67,905.27

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Solution

The fourth proportional to 173,114.55, 259,515.09 and 67,905.27 is: 101,796.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,114.55 : 259,515.09 = 67,905.27 : x
  2. Step 2: Convert to fraction form
    173,114.55/259,515.09 = 67,905.27/x
  3. Step 3: Cross multiply
    173,114.55x = 259,515.09 × 67,905.27
  4. Step 4: Simplify right side
    173,114.55x = 17,622,442,255.52
  5. Step 5: Solve for x
    x = 17,622,442,255.52/173,114.55
  6. Step 6: Final answer
    x = 101,796.42

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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.