Home / 193,490.50-289,892-165,122.68

Finding the Fourth Proportional to 193,490.50, 289,892 and 165,122.68

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Solution

The fourth proportional to 193,490.50, 289,892 and 165,122.68 is: 247,390.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,490.50 : 289,892 = 165,122.68 : x
  2. Step 2: Convert to fraction form
    193,490.50/289,892 = 165,122.68/x
  3. Step 3: Cross multiply
    193,490.50x = 289,892 × 165,122.68
  4. Step 4: Simplify right side
    193,490.50x = 47,867,743,950.56
  5. Step 5: Solve for x
    x = 47,867,743,950.56/193,490.50
  6. Step 6: Final answer
    x = 247,390.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.