Home / 143,527.12-215,299.48-43,694.72

Finding the Fourth Proportional to 143,527.12, 215,299.48 and 43,694.72

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Solution

The fourth proportional to 143,527.12, 215,299.48 and 43,694.72 is: 65,544.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,527.12 : 215,299.48 = 43,694.72 : x
  2. Step 2: Convert to fraction form
    143,527.12/215,299.48 = 43,694.72/x
  3. Step 3: Cross multiply
    143,527.12x = 215,299.48 × 43,694.72
  4. Step 4: Simplify right side
    143,527.12x = 9,407,450,494.75
  5. Step 5: Solve for x
    x = 9,407,450,494.75/143,527.12
  6. Step 6: Final answer
    x = 65,544.76

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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.