Home / 131,892.06-197,936.10-82,044.66

Finding the Fourth Proportional to 131,892.06, 197,936.10 and 82,044.66

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Solution

The fourth proportional to 131,892.06, 197,936.10 and 82,044.66 is: 123,127.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,892.06 : 197,936.10 = 82,044.66 : x
  2. Step 2: Convert to fraction form
    131,892.06/197,936.10 = 82,044.66/x
  3. Step 3: Cross multiply
    131,892.06x = 197,936.10 × 82,044.66
  4. Step 4: Simplify right side
    131,892.06x = 16,239,600,026.23
  5. Step 5: Solve for x
    x = 16,239,600,026.23/131,892.06
  6. Step 6: Final answer
    x = 123,127.96

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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.