Home / 235,265.19-324,629.42-139,769.43

Finding the Fourth Proportional to 235,265.19, 324,629.42 and 139,769.43

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Solution

The fourth proportional to 235,265.19, 324,629.42 and 139,769.43 is: 192,860.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,265.19 : 324,629.42 = 139,769.43 : x
  2. Step 2: Convert to fraction form
    235,265.19/324,629.42 = 139,769.43/x
  3. Step 3: Cross multiply
    235,265.19x = 324,629.42 × 139,769.43
  4. Step 4: Simplify right side
    235,265.19x = 45,373,268,295.78
  5. Step 5: Solve for x
    x = 45,373,268,295.78/235,265.19
  6. Step 6: Final answer
    x = 192,860.10

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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.