Home / 172,906.90-238,611.04-96,426.07

Finding the Fourth Proportional to 172,906.90, 238,611.04 and 96,426.07

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Solution

The fourth proportional to 172,906.90, 238,611.04 and 96,426.07 is: 133,067.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,906.90 : 238,611.04 = 96,426.07 : x
  2. Step 2: Convert to fraction form
    172,906.90/238,611.04 = 96,426.07/x
  3. Step 3: Cross multiply
    172,906.90x = 238,611.04 × 96,426.07
  4. Step 4: Simplify right side
    172,906.90x = 23,008,324,008.22
  5. Step 5: Solve for x
    x = 23,008,324,008.22/172,906.90
  6. Step 6: Final answer
    x = 133,067.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.