Home / 130,711.20-195,804.24-110,634.60

Finding the Fourth Proportional to 130,711.20, 195,804.24 and 110,634.60

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Solution

The fourth proportional to 130,711.20, 195,804.24 and 110,634.60 is: 165,729.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,711.20 : 195,804.24 = 110,634.60 : x
  2. Step 2: Convert to fraction form
    130,711.20/195,804.24 = 110,634.60/x
  3. Step 3: Cross multiply
    130,711.20x = 195,804.24 × 110,634.60
  4. Step 4: Simplify right side
    130,711.20x = 21,662,723,770.70
  5. Step 5: Solve for x
    x = 21,662,723,770.70/130,711.20
  6. Step 6: Final answer
    x = 165,729.67

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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.