Home / 91,840.26-137,445.84-63,791.94

Finding the Fourth Proportional to 91,840.26, 137,445.84 and 63,791.94

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Solution

The fourth proportional to 91,840.26, 137,445.84 and 63,791.94 is: 95,469.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,840.26 : 137,445.84 = 63,791.94 : x
  2. Step 2: Convert to fraction form
    91,840.26/137,445.84 = 63,791.94/x
  3. Step 3: Cross multiply
    91,840.26x = 137,445.84 × 63,791.94
  4. Step 4: Simplify right side
    91,840.26x = 8,767,936,778.53
  5. Step 5: Solve for x
    x = 8,767,936,778.53/91,840.26
  6. Step 6: Final answer
    x = 95,469.42

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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.