Home / 189,064.22-260,914.09-104,186.75

Finding the Fourth Proportional to 189,064.22, 260,914.09 and 104,186.75

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Solution

The fourth proportional to 189,064.22, 260,914.09 and 104,186.75 is: 143,780.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,064.22 : 260,914.09 = 104,186.75 : x
  2. Step 2: Convert to fraction form
    189,064.22/260,914.09 = 104,186.75/x
  3. Step 3: Cross multiply
    189,064.22x = 260,914.09 × 104,186.75
  4. Step 4: Simplify right side
    189,064.22x = 27,183,790,870.40
  5. Step 5: Solve for x
    x = 27,183,790,870.40/189,064.22
  6. Step 6: Final answer
    x = 143,780.73

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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.