Home / 143,723.73-215,585.61-55,004.43

Finding the Fourth Proportional to 143,723.73, 215,585.61 and 55,004.43

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Solution

The fourth proportional to 143,723.73, 215,585.61 and 55,004.43 is: 82,506.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,723.73 : 215,585.61 = 55,004.43 : x
  2. Step 2: Convert to fraction form
    143,723.73/215,585.61 = 55,004.43/x
  3. Step 3: Cross multiply
    143,723.73x = 215,585.61 × 55,004.43
  4. Step 4: Simplify right side
    143,723.73x = 11,858,163,594.25
  5. Step 5: Solve for x
    x = 11,858,163,594.25/143,723.73
  6. Step 6: Final answer
    x = 82,506.65

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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.