Home / 143,277.67-197,719.26-79,613.83

Finding the Fourth Proportional to 143,277.67, 197,719.26 and 79,613.83

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Solution

The fourth proportional to 143,277.67, 197,719.26 and 79,613.83 is: 109,864.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,277.67 : 197,719.26 = 79,613.83 : x
  2. Step 2: Convert to fraction form
    143,277.67/197,719.26 = 79,613.83/x
  3. Step 3: Cross multiply
    143,277.67x = 197,719.26 × 79,613.83
  4. Step 4: Simplify right side
    143,277.67x = 15,741,187,553.37
  5. Step 5: Solve for x
    x = 15,741,187,553.37/143,277.67
  6. Step 6: Final answer
    x = 109,864.90

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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.