Home / 203,192.20-280,542.26-126,827.64

Finding the Fourth Proportional to 203,192.20, 280,542.26 and 126,827.64

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Solution

The fourth proportional to 203,192.20, 280,542.26 and 126,827.64 is: 175,107.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,192.20 : 280,542.26 = 126,827.64 : x
  2. Step 2: Convert to fraction form
    203,192.20/280,542.26 = 126,827.64/x
  3. Step 3: Cross multiply
    203,192.20x = 280,542.26 × 126,827.64
  4. Step 4: Simplify right side
    203,192.20x = 35,580,512,756.07
  5. Step 5: Solve for x
    x = 35,580,512,756.07/203,192.20
  6. Step 6: Final answer
    x = 175,107.67

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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.