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Finding the Fourth Proportional to 187,951.81, 282,067.86 and 75,633.02

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Solution

The fourth proportional to 187,951.81, 282,067.86 and 75,633.02 is: 113,505.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,951.81 : 282,067.86 = 75,633.02 : x
  2. Step 2: Convert to fraction form
    187,951.81/282,067.86 = 75,633.02/x
  3. Step 3: Cross multiply
    187,951.81x = 282,067.86 × 75,633.02
  4. Step 4: Simplify right side
    187,951.81x = 21,333,644,096.74
  5. Step 5: Solve for x
    x = 21,333,644,096.74/187,951.81
  6. Step 6: Final answer
    x = 113,505.93

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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.