Home / 209,828.28-289,553.96-119,183.96

Finding the Fourth Proportional to 209,828.28, 289,553.96 and 119,183.96

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Solution

The fourth proportional to 209,828.28, 289,553.96 and 119,183.96 is: 164,468.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,828.28 : 289,553.96 = 119,183.96 : x
  2. Step 2: Convert to fraction form
    209,828.28/289,553.96 = 119,183.96/x
  3. Step 3: Cross multiply
    209,828.28x = 289,553.96 × 119,183.96
  4. Step 4: Simplify right side
    209,828.28x = 34,510,187,586.48
  5. Step 5: Solve for x
    x = 34,510,187,586.48/209,828.28
  6. Step 6: Final answer
    x = 164,468.72

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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.