Home / 134,105.42-200,971.06-100,786.48

Finding the Fourth Proportional to 134,105.42, 200,971.06 and 100,786.48

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Solution

The fourth proportional to 134,105.42, 200,971.06 and 100,786.48 is: 151,039.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,105.42 : 200,971.06 = 100,786.48 : x
  2. Step 2: Convert to fraction form
    134,105.42/200,971.06 = 100,786.48/x
  3. Step 3: Cross multiply
    134,105.42x = 200,971.06 × 100,786.48
  4. Step 4: Simplify right side
    134,105.42x = 20,255,164,964.88
  5. Step 5: Solve for x
    x = 20,255,164,964.88/134,105.42
  6. Step 6: Final answer
    x = 151,039.12

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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.