Home / 154,629.47-231,969.42-54,768.02

Finding the Fourth Proportional to 154,629.47, 231,969.42 and 54,768.02

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Solution

The fourth proportional to 154,629.47, 231,969.42 and 54,768.02 is: 82,160.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,629.47 : 231,969.42 = 54,768.02 : x
  2. Step 2: Convert to fraction form
    154,629.47/231,969.42 = 54,768.02/x
  3. Step 3: Cross multiply
    154,629.47x = 231,969.42 × 54,768.02
  4. Step 4: Simplify right side
    154,629.47x = 12,704,504,674.10
  5. Step 5: Solve for x
    x = 12,704,504,674.10/154,629.47
  6. Step 6: Final answer
    x = 82,160.95

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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.