Home / 209,850.72-289,584.99-119,206.41

Finding the Fourth Proportional to 209,850.72, 289,584.99 and 119,206.41

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Solution

The fourth proportional to 209,850.72, 289,584.99 and 119,206.41 is: 164,499.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,850.72 : 289,584.99 = 119,206.41 : x
  2. Step 2: Convert to fraction form
    209,850.72/289,584.99 = 119,206.41/x
  3. Step 3: Cross multiply
    209,850.72x = 289,584.99 × 119,206.41
  4. Step 4: Simplify right side
    209,850.72x = 34,520,387,047.79
  5. Step 5: Solve for x
    x = 34,520,387,047.79/209,850.72
  6. Step 6: Final answer
    x = 164,499.73

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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.