Home / 188,080.62-259,556.04-103,197.66

Finding the Fourth Proportional to 188,080.62, 259,556.04 and 103,197.66

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Solution

The fourth proportional to 188,080.62, 259,556.04 and 103,197.66 is: 142,415.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,080.62 : 259,556.04 = 103,197.66 : x
  2. Step 2: Convert to fraction form
    188,080.62/259,556.04 = 103,197.66/x
  3. Step 3: Cross multiply
    188,080.62x = 259,556.04 × 103,197.66
  4. Step 4: Simplify right side
    188,080.62x = 26,785,575,966.87
  5. Step 5: Solve for x
    x = 26,785,575,966.87/188,080.62
  6. Step 6: Final answer
    x = 142,415.40

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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.