Home / 194,212.98-268,009.79-108,171.70

Finding the Fourth Proportional to 194,212.98, 268,009.79 and 108,171.70

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Solution

The fourth proportional to 194,212.98, 268,009.79 and 108,171.70 is: 149,274.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,212.98 : 268,009.79 = 108,171.70 : x
  2. Step 2: Convert to fraction form
    194,212.98/268,009.79 = 108,171.70/x
  3. Step 3: Cross multiply
    194,212.98x = 268,009.79 × 108,171.70
  4. Step 4: Simplify right side
    194,212.98x = 28,991,072,720.04
  5. Step 5: Solve for x
    x = 28,991,072,720.04/194,212.98
  6. Step 6: Final answer
    x = 149,274.64

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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.