Home / 213,891.26-321,152.29-119,306.24

Finding the Fourth Proportional to 213,891.26, 321,152.29 and 119,306.24

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Solution

The fourth proportional to 213,891.26, 321,152.29 and 119,306.24 is: 179,135.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,891.26 : 321,152.29 = 119,306.24 : x
  2. Step 2: Convert to fraction form
    213,891.26/321,152.29 = 119,306.24/x
  3. Step 3: Cross multiply
    213,891.26x = 321,152.29 × 119,306.24
  4. Step 4: Simplify right side
    213,891.26x = 38,315,473,061.92
  5. Step 5: Solve for x
    x = 38,315,473,061.92/213,891.26
  6. Step 6: Final answer
    x = 179,135.29

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1.5x scale

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.