Home / 188,467.64-260,078.21-107,902.66

Finding the Fourth Proportional to 188,467.64, 260,078.21 and 107,902.66

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Solution

The fourth proportional to 188,467.64, 260,078.21 and 107,902.66 is: 148,901.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,467.64 : 260,078.21 = 107,902.66 : x
  2. Step 2: Convert to fraction form
    188,467.64/260,078.21 = 107,902.66/x
  3. Step 3: Cross multiply
    188,467.64x = 260,078.21 × 107,902.66
  4. Step 4: Simplify right side
    188,467.64x = 28,063,129,881.96
  5. Step 5: Solve for x
    x = 28,063,129,881.96/188,467.64
  6. Step 6: Final answer
    x = 148,901.58

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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.