Finding the Fourth Proportional to 99,235.34, 136,850.94 and 65,183.75
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Solution
The fourth proportional to 99,235.34, 136,850.94 and 65,183.75 is: 89,891.94
Step by Step Solution
- Step 1: Write the proportion equation
99,235.34 : 136,850.94 = 65,183.75 : x - Step 2: Convert to fraction form
99,235.34/136,850.94 = 65,183.75/x - Step 3: Cross multiply
99,235.34x = 136,850.94 × 65,183.75 - Step 4: Simplify right side
99,235.34x = 8,920,457,460.23 - Step 5: Solve for x
x = 8,920,457,460.23/99,235.34 - Step 6: Final answer
x = 89,891.94
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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.