Home / 188,169.09-259,671.14-102,128.24

Finding the Fourth Proportional to 188,169.09, 259,671.14 and 102,128.24

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Solution

The fourth proportional to 188,169.09, 259,671.14 and 102,128.24 is: 140,935.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,169.09 : 259,671.14 = 102,128.24 : x
  2. Step 2: Convert to fraction form
    188,169.09/259,671.14 = 102,128.24/x
  3. Step 3: Cross multiply
    188,169.09x = 259,671.14 × 102,128.24
  4. Step 4: Simplify right side
    188,169.09x = 26,519,754,698.00
  5. Step 5: Solve for x
    x = 26,519,754,698.00/188,169.09
  6. Step 6: Final answer
    x = 140,935.77

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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.