Home / 217,516.75-300,173.21-132,651.43

Finding the Fourth Proportional to 217,516.75, 300,173.21 and 132,651.43

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Solution

The fourth proportional to 217,516.75, 300,173.21 and 132,651.43 is: 183,059.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,516.75 : 300,173.21 = 132,651.43 : x
  2. Step 2: Convert to fraction form
    217,516.75/300,173.21 = 132,651.43/x
  3. Step 3: Cross multiply
    217,516.75x = 300,173.21 × 132,651.43
  4. Step 4: Simplify right side
    217,516.75x = 39,818,404,890.93
  5. Step 5: Solve for x
    x = 39,818,404,890.93/217,516.75
  6. Step 6: Final answer
    x = 183,059.03

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1.5x scale

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.