Home / 203,728.42-281,163.01-118,872.82

Finding the Fourth Proportional to 203,728.42, 281,163.01 and 118,872.82

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Solution

The fourth proportional to 203,728.42, 281,163.01 and 118,872.82 is: 164,054.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,728.42 : 281,163.01 = 118,872.82 : x
  2. Step 2: Convert to fraction form
    203,728.42/281,163.01 = 118,872.82/x
  3. Step 3: Cross multiply
    203,728.42x = 281,163.01 × 118,872.82
  4. Step 4: Simplify right side
    203,728.42x = 33,422,638,878.30
  5. Step 5: Solve for x
    x = 33,422,638,878.30/203,728.42
  6. Step 6: Final answer
    x = 164,054.87

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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.