Home / 213,941.94-321,107.31-114,187.20

Finding the Fourth Proportional to 213,941.94, 321,107.31 and 114,187.20

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Solution

The fourth proportional to 213,941.94, 321,107.31 and 114,187.20 is: 171,384.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,941.94 : 321,107.31 = 114,187.20 : x
  2. Step 2: Convert to fraction form
    213,941.94/321,107.31 = 114,187.20/x
  3. Step 3: Cross multiply
    213,941.94x = 321,107.31 × 114,187.20
  4. Step 4: Simplify right side
    213,941.94x = 36,666,344,628.43
  5. Step 5: Solve for x
    x = 36,666,344,628.43/213,941.94
  6. Step 6: Final answer
    x = 171,384.56

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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.