Home / 199,440.20-298,757.10-124,329.80

Finding the Fourth Proportional to 199,440.20, 298,757.10 and 124,329.80

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Solution

The fourth proportional to 199,440.20, 298,757.10 and 124,329.80 is: 186,243.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,440.20 : 298,757.10 = 124,329.80 : x
  2. Step 2: Convert to fraction form
    199,440.20/298,757.10 = 124,329.80/x
  3. Step 3: Cross multiply
    199,440.20x = 298,757.10 × 124,329.80
  4. Step 4: Simplify right side
    199,440.20x = 37,144,410,491.58
  5. Step 5: Solve for x
    x = 37,144,410,491.58/199,440.20
  6. Step 6: Final answer
    x = 186,243.35

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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.