Home / 188,379.03-259,963.29-102,338.07

Finding the Fourth Proportional to 188,379.03, 259,963.29 and 102,338.07

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Solution

The fourth proportional to 188,379.03, 259,963.29 and 102,338.07 is: 141,226.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,379.03 : 259,963.29 = 102,338.07 : x
  2. Step 2: Convert to fraction form
    188,379.03/259,963.29 = 102,338.07/x
  3. Step 3: Cross multiply
    188,379.03x = 259,963.29 × 102,338.07
  4. Step 4: Simplify right side
    188,379.03x = 26,604,141,369.45
  5. Step 5: Solve for x
    x = 26,604,141,369.45/188,379.03
  6. Step 6: Final answer
    x = 141,226.66

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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.