Home / 143,274.96-197,724.24-79,615.44

Finding the Fourth Proportional to 143,274.96, 197,724.24 and 79,615.44

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Solution

The fourth proportional to 143,274.96, 197,724.24 and 79,615.44 is: 109,871.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,274.96 : 197,724.24 = 79,615.44 : x
  2. Step 2: Convert to fraction form
    143,274.96/197,724.24 = 79,615.44/x
  3. Step 3: Cross multiply
    143,274.96x = 197,724.24 × 79,615.44
  4. Step 4: Simplify right side
    143,274.96x = 15,741,902,366.27
  5. Step 5: Solve for x
    x = 15,741,902,366.27/143,274.96
  6. Step 6: Final answer
    x = 109,871.97

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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.