Home / 188,865.74-260,648.24-106,086.44

Finding the Fourth Proportional to 188,865.74, 260,648.24 and 106,086.44

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Solution

The fourth proportional to 188,865.74, 260,648.24 and 106,086.44 is: 146,406.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,865.74 : 260,648.24 = 106,086.44 : x
  2. Step 2: Convert to fraction form
    188,865.74/260,648.24 = 106,086.44/x
  3. Step 3: Cross multiply
    188,865.74x = 260,648.24 × 106,086.44
  4. Step 4: Simplify right side
    188,865.74x = 27,651,242,040.19
  5. Step 5: Solve for x
    x = 27,651,242,040.19/188,865.74
  6. Step 6: Final answer
    x = 146,406.87

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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.