Finding the Fourth Proportional to 136,375.36, 204,430.80 and 69,846.88
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Solution
The fourth proportional to 136,375.36, 204,430.80 and 69,846.88 is: 104,702.59
Step by Step Solution
- Step 1: Write the proportion equation
136,375.36 : 204,430.80 = 69,846.88 : x - Step 2: Convert to fraction form
136,375.36/204,430.80 = 69,846.88/x - Step 3: Cross multiply
136,375.36x = 204,430.80 × 69,846.88 - Step 4: Simplify right side
136,375.36x = 14,278,853,555.90 - Step 5: Solve for x
x = 14,278,853,555.90/136,375.36 - Step 6: Final answer
x = 104,702.59
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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.