Home / 203,170.88-280,192.20-131,476.16

Finding the Fourth Proportional to 203,170.88, 280,192.20 and 131,476.16

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Solution

The fourth proportional to 203,170.88, 280,192.20 and 131,476.16 is: 181,318.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,170.88 : 280,192.20 = 131,476.16 : x
  2. Step 2: Convert to fraction form
    203,170.88/280,192.20 = 131,476.16/x
  3. Step 3: Cross multiply
    203,170.88x = 280,192.20 × 131,476.16
  4. Step 4: Simplify right side
    203,170.88x = 36,838,594,517.95
  5. Step 5: Solve for x
    x = 36,838,594,517.95/203,170.88
  6. Step 6: Final answer
    x = 181,318.28

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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.