Home / 188,307.23-259,863.09-102,265.61

Finding the Fourth Proportional to 188,307.23, 259,863.09 and 102,265.61

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Solution

The fourth proportional to 188,307.23, 259,863.09 and 102,265.61 is: 141,126.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,307.23 : 259,863.09 = 102,265.61 : x
  2. Step 2: Convert to fraction form
    188,307.23/259,863.09 = 102,265.61/x
  3. Step 3: Cross multiply
    188,307.23x = 259,863.09 × 102,265.61
  4. Step 4: Simplify right side
    188,307.23x = 26,575,057,415.33
  5. Step 5: Solve for x
    x = 26,575,057,415.33/188,307.23
  6. Step 6: Final answer
    x = 141,126.06

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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.