Home / 200,544.97-300,615.02-125,717.67

Finding the Fourth Proportional to 200,544.97, 300,615.02 and 125,717.67

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Solution

The fourth proportional to 200,544.97, 300,615.02 and 125,717.67 is: 188,449.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,544.97 : 300,615.02 = 125,717.67 : x
  2. Step 2: Convert to fraction form
    200,544.97/300,615.02 = 125,717.67/x
  3. Step 3: Cross multiply
    200,544.97x = 300,615.02 × 125,717.67
  4. Step 4: Simplify right side
    200,544.97x = 37,792,620,195.70
  5. Step 5: Solve for x
    x = 37,792,620,195.70/200,544.97
  6. Step 6: Final answer
    x = 188,449.61

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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.