Home / 84,183.92-116,170.14-45,942.50

Finding the Fourth Proportional to 84,183.92, 116,170.14 and 45,942.50

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Solution

The fourth proportional to 84,183.92, 116,170.14 and 45,942.50 is: 63,398.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,183.92 : 116,170.14 = 45,942.50 : x
  2. Step 2: Convert to fraction form
    84,183.92/116,170.14 = 45,942.50/x
  3. Step 3: Cross multiply
    84,183.92x = 116,170.14 × 45,942.50
  4. Step 4: Simplify right side
    84,183.92x = 5,337,146,656.95
  5. Step 5: Solve for x
    x = 5,337,146,656.95/84,183.92
  6. Step 6: Final answer
    x = 63,398.65

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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.