Home / 84,625.29-117,317.50-80,131.14

Finding the Fourth Proportional to 84,625.29, 117,317.50 and 80,131.14

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Solution

The fourth proportional to 84,625.29, 117,317.50 and 80,131.14 is: 111,087.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,625.29 : 117,317.50 = 80,131.14 : x
  2. Step 2: Convert to fraction form
    84,625.29/117,317.50 = 80,131.14/x
  3. Step 3: Cross multiply
    84,625.29x = 117,317.50 × 80,131.14
  4. Step 4: Simplify right side
    84,625.29x = 9,400,784,816.62
  5. Step 5: Solve for x
    x = 9,400,784,816.62/84,625.29
  6. Step 6: Final answer
    x = 111,087.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.