Home / 236,942.96-355,432.80-79,171.97

Finding the Fourth Proportional to 236,942.96, 355,432.80 and 79,171.97

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Solution

The fourth proportional to 236,942.96, 355,432.80 and 79,171.97 is: 118,764.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,942.96 : 355,432.80 = 79,171.97 : x
  2. Step 2: Convert to fraction form
    236,942.96/355,432.80 = 79,171.97/x
  3. Step 3: Cross multiply
    236,942.96x = 355,432.80 × 79,171.97
  4. Step 4: Simplify right side
    236,942.96x = 28,140,314,978.62
  5. Step 5: Solve for x
    x = 28,140,314,978.62/236,942.96
  6. Step 6: Final answer
    x = 118,764.09

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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.