Finding the Fourth Proportional to 188,186.96, 259,689.84 and 103,305.44
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Solution
The fourth proportional to 188,186.96, 259,689.84 and 103,305.44 is: 142,557.03
Step by Step Solution
- Step 1: Write the proportion equation
188,186.96 : 259,689.84 = 103,305.44 : x - Step 2: Convert to fraction form
188,186.96/259,689.84 = 103,305.44/x - Step 3: Cross multiply
188,186.96x = 259,689.84 × 103,305.44 - Step 4: Simplify right side
188,186.96x = 26,827,373,184.73 - Step 5: Solve for x
x = 26,827,373,184.73/188,186.96 - Step 6: Final answer
x = 142,557.03
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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.