Home / 203,540.12-280,840.46-117,480.92

Finding the Fourth Proportional to 203,540.12, 280,840.46 and 117,480.92

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Solution

The fourth proportional to 203,540.12, 280,840.46 and 117,480.92 is: 162,097.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,540.12 : 280,840.46 = 117,480.92 : x
  2. Step 2: Convert to fraction form
    203,540.12/280,840.46 = 117,480.92/x
  3. Step 3: Cross multiply
    203,540.12x = 280,840.46 × 117,480.92
  4. Step 4: Simplify right side
    203,540.12x = 32,993,395,614.02
  5. Step 5: Solve for x
    x = 32,993,395,614.02/203,540.12
  6. Step 6: Final answer
    x = 162,097.75

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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.