Finding the Fourth Proportional to 99,185.08, 136,876.38 and 54,473.08
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Solution
The fourth proportional to 99,185.08, 136,876.38 and 54,473.08 is: 75,173.38
Step by Step Solution
- Step 1: Write the proportion equation
99,185.08 : 136,876.38 = 54,473.08 : x - Step 2: Convert to fraction form
99,185.08/136,876.38 = 54,473.08/x - Step 3: Cross multiply
99,185.08x = 136,876.38 × 54,473.08 - Step 4: Simplify right side
99,185.08x = 7,456,077,997.85 - Step 5: Solve for x
x = 7,456,077,997.85/99,185.08 - Step 6: Final answer
x = 75,173.38
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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.