Home / 194,578.05-268,486.83-109,678.71

Finding the Fourth Proportional to 194,578.05, 268,486.83 and 109,678.71

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Solution

The fourth proportional to 194,578.05, 268,486.83 and 109,678.71 is: 151,339.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,578.05 : 268,486.83 = 109,678.71 : x
  2. Step 2: Convert to fraction form
    194,578.05/268,486.83 = 109,678.71/x
  3. Step 3: Cross multiply
    194,578.05x = 268,486.83 × 109,678.71
  4. Step 4: Simplify right side
    194,578.05x = 29,447,289,166.39
  5. Step 5: Solve for x
    x = 29,447,289,166.39/194,578.05
  6. Step 6: Final answer
    x = 151,339.21

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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.