Home / 194,857.62-268,907.78-109,975.30

Finding the Fourth Proportional to 194,857.62, 268,907.78 and 109,975.30

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Solution

The fourth proportional to 194,857.62, 268,907.78 and 109,975.30 is: 151,768.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,857.62 : 268,907.78 = 109,975.30 : x
  2. Step 2: Convert to fraction form
    194,857.62/268,907.78 = 109,975.30/x
  3. Step 3: Cross multiply
    194,857.62x = 268,907.78 × 109,975.30
  4. Step 4: Simplify right side
    194,857.62x = 29,573,213,777.83
  5. Step 5: Solve for x
    x = 29,573,213,777.83/194,857.62
  6. Step 6: Final answer
    x = 151,768.32

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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.