Home / 88,789.88-133,164.84-25,596.38

Finding the Fourth Proportional to 88,789.88, 133,164.84 and 25,596.38

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Solution

The fourth proportional to 88,789.88, 133,164.84 and 25,596.38 is: 38,388.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,789.88 : 133,164.84 = 25,596.38 : x
  2. Step 2: Convert to fraction form
    88,789.88/133,164.84 = 25,596.38/x
  3. Step 3: Cross multiply
    88,789.88x = 133,164.84 × 25,596.38
  4. Step 4: Simplify right side
    88,789.88x = 3,408,537,847.28
  5. Step 5: Solve for x
    x = 3,408,537,847.28/88,789.88
  6. Step 6: Final answer
    x = 38,388.81

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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.