Home / 189,846.54-261,999.45-109,272.06

Finding the Fourth Proportional to 189,846.54, 261,999.45 and 109,272.06

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Solution

The fourth proportional to 189,846.54, 261,999.45 and 109,272.06 is: 150,801.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,846.54 : 261,999.45 = 109,272.06 : x
  2. Step 2: Convert to fraction form
    189,846.54/261,999.45 = 109,272.06/x
  3. Step 3: Cross multiply
    189,846.54x = 261,999.45 × 109,272.06
  4. Step 4: Simplify right side
    189,846.54x = 28,629,219,620.37
  5. Step 5: Solve for x
    x = 28,629,219,620.37/189,846.54
  6. Step 6: Final answer
    x = 150,801.90

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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.