Home / 188,914.58-260,682.27-107,216.84

Finding the Fourth Proportional to 188,914.58, 260,682.27 and 107,216.84

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Solution

The fourth proportional to 188,914.58, 260,682.27 and 107,216.84 is: 147,947.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,914.58 : 260,682.27 = 107,216.84 : x
  2. Step 2: Convert to fraction form
    188,914.58/260,682.27 = 107,216.84/x
  3. Step 3: Cross multiply
    188,914.58x = 260,682.27 × 107,216.84
  4. Step 4: Simplify right side
    188,914.58x = 27,949,529,654.54
  5. Step 5: Solve for x
    x = 27,949,529,654.54/188,914.58
  6. Step 6: Final answer
    x = 147,947.98

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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.