Home / 192,923.20-289,705.92-130,147.36

Finding the Fourth Proportional to 192,923.20, 289,705.92 and 130,147.36

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Solution

The fourth proportional to 192,923.20, 289,705.92 and 130,147.36 is: 195,437.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,923.20 : 289,705.92 = 130,147.36 : x
  2. Step 2: Convert to fraction form
    192,923.20/289,705.92 = 130,147.36/x
  3. Step 3: Cross multiply
    192,923.20x = 289,705.92 × 130,147.36
  4. Step 4: Simplify right side
    192,923.20x = 37,704,460,664.37
  5. Step 5: Solve for x
    x = 37,704,460,664.37/192,923.20
  6. Step 6: Final answer
    x = 195,437.67

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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.