Home / 84,156.57-116,121.79-50,164.44

Finding the Fourth Proportional to 84,156.57, 116,121.79 and 50,164.44

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Solution

The fourth proportional to 84,156.57, 116,121.79 and 50,164.44 is: 69,218.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,156.57 : 116,121.79 = 50,164.44 : x
  2. Step 2: Convert to fraction form
    84,156.57/116,121.79 = 50,164.44/x
  3. Step 3: Cross multiply
    84,156.57x = 116,121.79 × 50,164.44
  4. Step 4: Simplify right side
    84,156.57x = 5,825,184,567.15
  5. Step 5: Solve for x
    x = 5,825,184,567.15/84,156.57
  6. Step 6: Final answer
    x = 69,218.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.