Home / 69,198.42-103,830.39-41,173.86

Finding the Fourth Proportional to 69,198.42, 103,830.39 and 41,173.86

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Solution

The fourth proportional to 69,198.42, 103,830.39 and 41,173.86 is: 61,780.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,198.42 : 103,830.39 = 41,173.86 : x
  2. Step 2: Convert to fraction form
    69,198.42/103,830.39 = 41,173.86/x
  3. Step 3: Cross multiply
    69,198.42x = 103,830.39 × 41,173.86
  4. Step 4: Simplify right side
    69,198.42x = 4,275,097,941.61
  5. Step 5: Solve for x
    x = 4,275,097,941.61/69,198.42
  6. Step 6: Final answer
    x = 61,780.28

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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.