Finding the Fourth Proportional to 136,750.08, 188,702.33 and 79,374.18
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Solution
The fourth proportional to 136,750.08, 188,702.33 and 79,374.18 is: 109,528.95
Step by Step Solution
- Step 1: Write the proportion equation
136,750.08 : 188,702.33 = 79,374.18 : x - Step 2: Convert to fraction form
136,750.08/188,702.33 = 79,374.18/x - Step 3: Cross multiply
136,750.08x = 188,702.33 × 79,374.18 - Step 4: Simplify right side
136,750.08x = 14,978,092,310.97 - Step 5: Solve for x
x = 14,978,092,310.97/136,750.08 - Step 6: Final answer
x = 109,528.95
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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.