Home / 69,110.43-103,666.23-19,194.42

Finding the Fourth Proportional to 69,110.43, 103,666.23 and 19,194.42

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Solution

The fourth proportional to 69,110.43, 103,666.23 and 19,194.42 is: 28,791.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,110.43 : 103,666.23 = 19,194.42 : x
  2. Step 2: Convert to fraction form
    69,110.43/103,666.23 = 19,194.42/x
  3. Step 3: Cross multiply
    69,110.43x = 103,666.23 × 19,194.42
  4. Step 4: Simplify right side
    69,110.43x = 1,989,813,158.44
  5. Step 5: Solve for x
    x = 1,989,813,158.44/69,110.43
  6. Step 6: Final answer
    x = 28,791.79

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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.