Home / 122,136.08-182,965.56-84,178.56

Finding the Fourth Proportional to 122,136.08, 182,965.56 and 84,178.56

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Solution

The fourth proportional to 122,136.08, 182,965.56 and 84,178.56 is: 126,103.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,136.08 : 182,965.56 = 84,178.56 : x
  2. Step 2: Convert to fraction form
    122,136.08/182,965.56 = 84,178.56/x
  3. Step 3: Cross multiply
    122,136.08x = 182,965.56 × 84,178.56
  4. Step 4: Simplify right side
    122,136.08x = 15,401,777,370.39
  5. Step 5: Solve for x
    x = 15,401,777,370.39/122,136.08
  6. Step 6: Final answer
    x = 126,103.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.