Home / 143,425.46-197,929.68-79,763.26

Finding the Fourth Proportional to 143,425.46, 197,929.68 and 79,763.26

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Solution

The fourth proportional to 143,425.46, 197,929.68 and 79,763.26 is: 110,074.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,425.46 : 197,929.68 = 79,763.26 : x
  2. Step 2: Convert to fraction form
    143,425.46/197,929.68 = 79,763.26/x
  3. Step 3: Cross multiply
    143,425.46x = 197,929.68 × 79,763.26
  4. Step 4: Simplify right side
    143,425.46x = 15,787,516,527.56
  5. Step 5: Solve for x
    x = 15,787,516,527.56/143,425.46
  6. Step 6: Final answer
    x = 110,074.71

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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.