Home / 213,314.19-320,146.25-108,163.23

Finding the Fourth Proportional to 213,314.19, 320,146.25 and 108,163.23

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Solution

The fourth proportional to 213,314.19, 320,146.25 and 108,163.23 is: 162,333.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,314.19 : 320,146.25 = 108,163.23 : x
  2. Step 2: Convert to fraction form
    213,314.19/320,146.25 = 108,163.23/x
  3. Step 3: Cross multiply
    213,314.19x = 320,146.25 × 108,163.23
  4. Step 4: Simplify right side
    213,314.19x = 34,628,051,931.57
  5. Step 5: Solve for x
    x = 34,628,051,931.57/213,314.19
  6. Step 6: Final answer
    x = 162,333.56

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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.