Home / 248,855.20-343,419.75-141,425.30

Finding the Fourth Proportional to 248,855.20, 343,419.75 and 141,425.30

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Solution

The fourth proportional to 248,855.20, 343,419.75 and 141,425.30 is: 195,166.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,855.20 : 343,419.75 = 141,425.30 : x
  2. Step 2: Convert to fraction form
    248,855.20/343,419.75 = 141,425.30/x
  3. Step 3: Cross multiply
    248,855.20x = 343,419.75 × 141,425.30
  4. Step 4: Simplify right side
    248,855.20x = 48,568,241,169.68
  5. Step 5: Solve for x
    x = 48,568,241,169.68/248,855.20
  6. Step 6: Final answer
    x = 195,166.67

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1.5x scale

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.