Home / 143,329.20-197,794.26-79,667.10

Finding the Fourth Proportional to 143,329.20, 197,794.26 and 79,667.10

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Solution

The fourth proportional to 143,329.20, 197,794.26 and 79,667.10 is: 109,940.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,329.20 : 197,794.26 = 79,667.10 : x
  2. Step 2: Convert to fraction form
    143,329.20/197,794.26 = 79,667.10/x
  3. Step 3: Cross multiply
    143,329.20x = 197,794.26 × 79,667.10
  4. Step 4: Simplify right side
    143,329.20x = 15,757,695,090.85
  5. Step 5: Solve for x
    x = 15,757,695,090.85/143,329.20
  6. Step 6: Final answer
    x = 109,940.58

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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.