Home / 143,011.44-197,353.26-79,348.14

Finding the Fourth Proportional to 143,011.44, 197,353.26 and 79,348.14

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Solution

The fourth proportional to 143,011.44, 197,353.26 and 79,348.14 is: 109,499.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,011.44 : 197,353.26 = 79,348.14 : x
  2. Step 2: Convert to fraction form
    143,011.44/197,353.26 = 79,348.14/x
  3. Step 3: Cross multiply
    143,011.44x = 197,353.26 × 79,348.14
  4. Step 4: Simplify right side
    143,011.44x = 15,659,614,103.94
  5. Step 5: Solve for x
    x = 15,659,614,103.94/143,011.44
  6. Step 6: Final answer
    x = 109,499.03

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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.