Home / 213,895.27-321,158.30-119,310.25

Finding the Fourth Proportional to 213,895.27, 321,158.30 and 119,310.25

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Solution

The fourth proportional to 213,895.27, 321,158.30 and 119,310.25 is: 179,141.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,895.27 : 321,158.30 = 119,310.25 : x
  2. Step 2: Convert to fraction form
    213,895.27/321,158.30 = 119,310.25/x
  3. Step 3: Cross multiply
    213,895.27x = 321,158.30 × 119,310.25
  4. Step 4: Simplify right side
    213,895.27x = 38,317,476,936.42
  5. Step 5: Solve for x
    x = 38,317,476,936.42/213,895.27
  6. Step 6: Final answer
    x = 179,141.30

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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.