Home / 151,257.97-208,728.07-83,261.66

Finding the Fourth Proportional to 151,257.97, 208,728.07 and 83,261.66

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Solution

The fourth proportional to 151,257.97, 208,728.07 and 83,261.66 is: 114,896.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,257.97 : 208,728.07 = 83,261.66 : x
  2. Step 2: Convert to fraction form
    151,257.97/208,728.07 = 83,261.66/x
  3. Step 3: Cross multiply
    151,257.97x = 208,728.07 × 83,261.66
  4. Step 4: Simplify right side
    151,257.97x = 17,379,045,596.80
  5. Step 5: Solve for x
    x = 17,379,045,596.80/151,257.97
  6. Step 6: Final answer
    x = 114,896.73

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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.