Home / 193,890.39-290,839.23-60,767.70

Finding the Fourth Proportional to 193,890.39, 290,839.23 and 60,767.70

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Solution

The fourth proportional to 193,890.39, 290,839.23 and 60,767.70 is: 91,152.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,890.39 : 290,839.23 = 60,767.70 : x
  2. Step 2: Convert to fraction form
    193,890.39/290,839.23 = 60,767.70/x
  3. Step 3: Cross multiply
    193,890.39x = 290,839.23 × 60,767.70
  4. Step 4: Simplify right side
    193,890.39x = 17,673,631,076.87
  5. Step 5: Solve for x
    x = 17,673,631,076.87/193,890.39
  6. Step 6: Final answer
    x = 91,152.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.