Home / 188,025.72-281,947.86-109,159.80

Finding the Fourth Proportional to 188,025.72, 281,947.86 and 109,159.80

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Solution

The fourth proportional to 188,025.72, 281,947.86 and 109,159.80 is: 163,687.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,025.72 : 281,947.86 = 109,159.80 : x
  2. Step 2: Convert to fraction form
    188,025.72/281,947.86 = 109,159.80/x
  3. Step 3: Cross multiply
    188,025.72x = 281,947.86 × 109,159.80
  4. Step 4: Simplify right side
    188,025.72x = 30,777,372,008.03
  5. Step 5: Solve for x
    x = 30,777,372,008.03/188,025.72
  6. Step 6: Final answer
    x = 163,687.03

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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.