Home / 188,865.19-260,868.01-137,099.67

Finding the Fourth Proportional to 188,865.19, 260,868.01 and 137,099.67

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Solution

The fourth proportional to 188,865.19, 260,868.01 and 137,099.67 is: 189,367.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,865.19 : 260,868.01 = 137,099.67 : x
  2. Step 2: Convert to fraction form
    188,865.19/260,868.01 = 137,099.67/x
  3. Step 3: Cross multiply
    188,865.19x = 260,868.01 × 137,099.67
  4. Step 4: Simplify right side
    188,865.19x = 35,764,916,514.82
  5. Step 5: Solve for x
    x = 35,764,916,514.82/188,865.19
  6. Step 6: Final answer
    x = 189,367.44

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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.