Home / 193,683.72-290,544.46-75,364.68

Finding the Fourth Proportional to 193,683.72, 290,544.46 and 75,364.68

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Solution

The fourth proportional to 193,683.72, 290,544.46 and 75,364.68 is: 113,054.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,683.72 : 290,544.46 = 75,364.68 : x
  2. Step 2: Convert to fraction form
    193,683.72/290,544.46 = 75,364.68/x
  3. Step 3: Cross multiply
    193,683.72x = 290,544.46 × 75,364.68
  4. Step 4: Simplify right side
    193,683.72x = 21,896,790,253.67
  5. Step 5: Solve for x
    x = 21,896,790,253.67/193,683.72
  6. Step 6: Final answer
    x = 113,054.37

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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.