Home / 78,788.93-118,184.43-26,198.42

Finding the Fourth Proportional to 78,788.93, 118,184.43 and 26,198.42

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Solution

The fourth proportional to 78,788.93, 118,184.43 and 26,198.42 is: 39,297.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,788.93 : 118,184.43 = 26,198.42 : x
  2. Step 2: Convert to fraction form
    78,788.93/118,184.43 = 26,198.42/x
  3. Step 3: Cross multiply
    78,788.93x = 118,184.43 × 26,198.42
  4. Step 4: Simplify right side
    78,788.93x = 3,096,244,743.68
  5. Step 5: Solve for x
    x = 3,096,244,743.68/78,788.93
  6. Step 6: Final answer
    x = 39,297.97

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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.