Home / 275,853.20-413,984.60-109,760.40

Finding the Fourth Proportional to 275,853.20, 413,984.60 and 109,760.40

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Solution

The fourth proportional to 275,853.20, 413,984.60 and 109,760.40 is: 164,722.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,853.20 : 413,984.60 = 109,760.40 : x
  2. Step 2: Convert to fraction form
    275,853.20/413,984.60 = 109,760.40/x
  3. Step 3: Cross multiply
    275,853.20x = 413,984.60 × 109,760.40
  4. Step 4: Simplify right side
    275,853.20x = 45,439,115,289.84
  5. Step 5: Solve for x
    x = 45,439,115,289.84/275,853.20
  6. Step 6: Final answer
    x = 164,722.09

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1.5x scale

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.