Home / 269,942.58-405,160.47-136,914.66

Finding the Fourth Proportional to 269,942.58, 405,160.47 and 136,914.66

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Solution

The fourth proportional to 269,942.58, 405,160.47 and 136,914.66 is: 205,497.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,942.58 : 405,160.47 = 136,914.66 : x
  2. Step 2: Convert to fraction form
    269,942.58/405,160.47 = 136,914.66/x
  3. Step 3: Cross multiply
    269,942.58x = 405,160.47 × 136,914.66
  4. Step 4: Simplify right side
    269,942.58x = 55,472,407,995.49
  5. Step 5: Solve for x
    x = 55,472,407,995.49/269,942.58
  6. Step 6: Final answer
    x = 205,497.07

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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.