Finding the Fourth Proportional to 135,102.96, 202,582.76 and 67,561.11
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Solution
The fourth proportional to 135,102.96, 202,582.76 and 67,561.11 is: 101,305.82
Step by Step Solution
- Step 1: Write the proportion equation
135,102.96 : 202,582.76 = 67,561.11 : x - Step 2: Convert to fraction form
135,102.96/202,582.76 = 67,561.11/x - Step 3: Cross multiply
135,102.96x = 202,582.76 × 67,561.11 - Step 4: Simplify right side
135,102.96x = 13,686,715,794.66 - Step 5: Solve for x
x = 13,686,715,794.66/135,102.96 - Step 6: Final answer
x = 101,305.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.