Home / 79,436.22-119,169-26,131.20

Finding the Fourth Proportional to 79,436.22, 119,169 and 26,131.20

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Solution

The fourth proportional to 79,436.22, 119,169 and 26,131.20 is: 39,201.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,436.22 : 119,169 = 26,131.20 : x
  2. Step 2: Convert to fraction form
    79,436.22/119,169 = 26,131.20/x
  3. Step 3: Cross multiply
    79,436.22x = 119,169 × 26,131.20
  4. Step 4: Simplify right side
    79,436.22x = 3,114,028,972.80
  5. Step 5: Solve for x
    x = 3,114,028,972.80/79,436.22
  6. Step 6: Final answer
    x = 39,201.63

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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.