Home / 215,976.24-298,080.04-131,076.88

Finding the Fourth Proportional to 215,976.24, 298,080.04 and 131,076.88

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Solution

The fourth proportional to 215,976.24, 298,080.04 and 131,076.88 is: 180,906.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,976.24 : 298,080.04 = 131,076.88 : x
  2. Step 2: Convert to fraction form
    215,976.24/298,080.04 = 131,076.88/x
  3. Step 3: Cross multiply
    215,976.24x = 298,080.04 × 131,076.88
  4. Step 4: Simplify right side
    215,976.24x = 39,071,401,633.48
  5. Step 5: Solve for x
    x = 39,071,401,633.48/215,976.24
  6. Step 6: Final answer
    x = 180,906.02

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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.