Home / 188,735.52-260,453.04-107,078.88

Finding the Fourth Proportional to 188,735.52, 260,453.04 and 107,078.88

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Solution

The fourth proportional to 188,735.52, 260,453.04 and 107,078.88 is: 147,767.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,735.52 : 260,453.04 = 107,078.88 : x
  2. Step 2: Convert to fraction form
    188,735.52/260,453.04 = 107,078.88/x
  3. Step 3: Cross multiply
    188,735.52x = 260,453.04 × 107,078.88
  4. Step 4: Simplify right side
    188,735.52x = 27,889,020,390.95
  5. Step 5: Solve for x
    x = 27,889,020,390.95/188,735.52
  6. Step 6: Final answer
    x = 147,767.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.