Home / 88,780.88-133,169.96-26,451.38

Finding the Fourth Proportional to 88,780.88, 133,169.96 and 26,451.38

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Solution

The fourth proportional to 88,780.88, 133,169.96 and 26,451.38 is: 39,676.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,780.88 : 133,169.96 = 26,451.38 : x
  2. Step 2: Convert to fraction form
    88,780.88/133,169.96 = 26,451.38/x
  3. Step 3: Cross multiply
    88,780.88x = 133,169.96 × 26,451.38
  4. Step 4: Simplify right side
    88,780.88x = 3,522,529,216.54
  5. Step 5: Solve for x
    x = 3,522,529,216.54/88,780.88
  6. Step 6: Final answer
    x = 39,676.66

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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.