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Finding the Fourth Proportional to 172,735.26, 259,102.89 and 67,480.42

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Solution

The fourth proportional to 172,735.26, 259,102.89 and 67,480.42 is: 101,220.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,735.26 : 259,102.89 = 67,480.42 : x
  2. Step 2: Convert to fraction form
    172,735.26/259,102.89 = 67,480.42/x
  3. Step 3: Cross multiply
    172,735.26x = 259,102.89 × 67,480.42
  4. Step 4: Simplify right side
    172,735.26x = 17,484,371,840.41
  5. Step 5: Solve for x
    x = 17,484,371,840.41/172,735.26
  6. Step 6: Final answer
    x = 101,220.63

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1.5x scale

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.