Home / 144,743.20-217,082.40-95,171.20

Finding the Fourth Proportional to 144,743.20, 217,082.40 and 95,171.20

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Solution

The fourth proportional to 144,743.20, 217,082.40 and 95,171.20 is: 142,735.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,743.20 : 217,082.40 = 95,171.20 : x
  2. Step 2: Convert to fraction form
    144,743.20/217,082.40 = 95,171.20/x
  3. Step 3: Cross multiply
    144,743.20x = 217,082.40 × 95,171.20
  4. Step 4: Simplify right side
    144,743.20x = 20,659,992,506.88
  5. Step 5: Solve for x
    x = 20,659,992,506.88/144,743.20
  6. Step 6: Final answer
    x = 142,735.50

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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.