Finding the Fourth Proportional to 135,174.24, 202,945.20 and 76,051.44
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Solution
The fourth proportional to 135,174.24, 202,945.20 and 76,051.44 is: 114,180.59
Step by Step Solution
- Step 1: Write the proportion equation
135,174.24 : 202,945.20 = 76,051.44 : x - Step 2: Convert to fraction form
135,174.24/202,945.20 = 76,051.44/x - Step 3: Cross multiply
135,174.24x = 202,945.20 × 76,051.44 - Step 4: Simplify right side
135,174.24x = 15,434,274,701.09 - Step 5: Solve for x
x = 15,434,274,701.09/135,174.24 - Step 6: Final answer
x = 114,180.59
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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.