Home / 213,336.32-320,179.43-108,185.36

Finding the Fourth Proportional to 213,336.32, 320,179.43 and 108,185.36

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Solution

The fourth proportional to 213,336.32, 320,179.43 and 108,185.36 is: 162,366.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,336.32 : 320,179.43 = 108,185.36 : x
  2. Step 2: Convert to fraction form
    213,336.32/320,179.43 = 108,185.36/x
  3. Step 3: Cross multiply
    213,336.32x = 320,179.43 × 108,185.36
  4. Step 4: Simplify right side
    213,336.32x = 34,638,725,568.71
  5. Step 5: Solve for x
    x = 34,638,725,568.71/213,336.32
  6. Step 6: Final answer
    x = 162,366.76

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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.