Home / 209,827.78-289,553.27-119,183.46

Finding the Fourth Proportional to 209,827.78, 289,553.27 and 119,183.46

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Solution

The fourth proportional to 209,827.78, 289,553.27 and 119,183.46 is: 164,468.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,827.78 : 289,553.27 = 119,183.46 : x
  2. Step 2: Convert to fraction form
    209,827.78/289,553.27 = 119,183.46/x
  3. Step 3: Cross multiply
    209,827.78x = 289,553.27 × 119,183.46
  4. Step 4: Simplify right side
    209,827.78x = 34,509,960,870.87
  5. Step 5: Solve for x
    x = 34,509,960,870.87/209,827.78
  6. Step 6: Final answer
    x = 164,468.03

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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.