Home / 188,401.58-259,991.24-103,516.82

Finding the Fourth Proportional to 188,401.58, 259,991.24 and 103,516.82

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Solution

The fourth proportional to 188,401.58, 259,991.24 and 103,516.82 is: 142,851.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,401.58 : 259,991.24 = 103,516.82 : x
  2. Step 2: Convert to fraction form
    188,401.58/259,991.24 = 103,516.82/x
  3. Step 3: Cross multiply
    188,401.58x = 259,991.24 × 103,516.82
  4. Step 4: Simplify right side
    188,401.58x = 26,913,464,575.12
  5. Step 5: Solve for x
    x = 26,913,464,575.12/188,401.58
  6. Step 6: Final answer
    x = 142,851.59

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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.