Home / 203,728.17-281,162.66-118,872.57

Finding the Fourth Proportional to 203,728.17, 281,162.66 and 118,872.57

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Solution

The fourth proportional to 203,728.17, 281,162.66 and 118,872.57 is: 164,054.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,728.17 : 281,162.66 = 118,872.57 : x
  2. Step 2: Convert to fraction form
    203,728.17/281,162.66 = 118,872.57/x
  3. Step 3: Cross multiply
    203,728.17x = 281,162.66 × 118,872.57
  4. Step 4: Simplify right side
    203,728.17x = 33,422,527,982.24
  5. Step 5: Solve for x
    x = 33,422,527,982.24/203,728.17
  6. Step 6: Final answer
    x = 164,054.52

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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.