Finding the Fourth Proportional to 131,702.63, 181,750.09 and 71,273.26
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Solution
The fourth proportional to 131,702.63, 181,750.09 and 71,273.26 is: 98,357.35
Step by Step Solution
- Step 1: Write the proportion equation
131,702.63 : 181,750.09 = 71,273.26 : x - Step 2: Convert to fraction form
131,702.63/181,750.09 = 71,273.26/x - Step 3: Cross multiply
131,702.63x = 181,750.09 × 71,273.26 - Step 4: Simplify right side
131,702.63x = 12,953,921,063.23 - Step 5: Solve for x
x = 12,953,921,063.23/131,702.63 - Step 6: Final answer
x = 98,357.35
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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.