Home / 143,824.92-215,747.37-43,977.44

Finding the Fourth Proportional to 143,824.92, 215,747.37 and 43,977.44

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Solution

The fourth proportional to 143,824.92, 215,747.37 and 43,977.44 is: 65,969.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,824.92 : 215,747.37 = 43,977.44 : x
  2. Step 2: Convert to fraction form
    143,824.92/215,747.37 = 43,977.44/x
  3. Step 3: Cross multiply
    143,824.92x = 215,747.37 × 43,977.44
  4. Step 4: Simplify right side
    143,824.92x = 9,488,015,940.60
  5. Step 5: Solve for x
    x = 9,488,015,940.60/143,824.92
  6. Step 6: Final answer
    x = 65,969.21

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1.5x scale

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.