Home / 189,144.28-260,998.50-104,245

Finding the Fourth Proportional to 189,144.28, 260,998.50 and 104,245

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Solution

The fourth proportional to 189,144.28, 260,998.50 and 104,245 is: 143,846.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,144.28 : 260,998.50 = 104,245 : x
  2. Step 2: Convert to fraction form
    189,144.28/260,998.50 = 104,245/x
  3. Step 3: Cross multiply
    189,144.28x = 260,998.50 × 104,245
  4. Step 4: Simplify right side
    189,144.28x = 27,207,788,632.50
  5. Step 5: Solve for x
    x = 27,207,788,632.50/189,144.28
  6. Step 6: Final answer
    x = 143,846.74

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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.