Home / 143,700.57-215,550.81-43,861.26

Finding the Fourth Proportional to 143,700.57, 215,550.81 and 43,861.26

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Solution

The fourth proportional to 143,700.57, 215,550.81 and 43,861.26 is: 65,791.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,700.57 : 215,550.81 = 43,861.26 : x
  2. Step 2: Convert to fraction form
    143,700.57/215,550.81 = 43,861.26/x
  3. Step 3: Cross multiply
    143,700.57x = 215,550.81 × 43,861.26
  4. Step 4: Simplify right side
    143,700.57x = 9,454,330,120.62
  5. Step 5: Solve for x
    x = 9,454,330,120.62/143,700.57
  6. Step 6: Final answer
    x = 65,791.88

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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.