Finding the Fourth Proportional to 188,185.00, 259,695.56 and 102,143.99
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Solution
The fourth proportional to 188,185.00, 259,695.56 and 102,143.99 is: 140,958.85
Step by Step Solution
- Step 1: Write the proportion equation
188,185.00 : 259,695.56 = 102,143.99 : x - Step 2: Convert to fraction form
188,185.00/259,695.56 = 102,143.99/x - Step 3: Cross multiply
188,185.00x = 259,695.56 × 102,143.99 - Step 4: Simplify right side
188,185.00x = 26,526,340,822.20 - Step 5: Solve for x
x = 26,526,340,822.20/188,185.00 - Step 6: Final answer
x = 140,958.85
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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.