Finding the Fourth Proportional to 102,194.93, 141,027.97 and 56,872.14
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Solution
The fourth proportional to 102,194.93, 141,027.97 and 56,872.14 is: 78,482.98
Step by Step Solution
- Step 1: Write the proportion equation
102,194.93 : 141,027.97 = 56,872.14 : x - Step 2: Convert to fraction form
102,194.93/141,027.97 = 56,872.14/x - Step 3: Cross multiply
102,194.93x = 141,027.97 × 56,872.14 - Step 4: Simplify right side
102,194.93x = 8,020,562,453.76 - Step 5: Solve for x
x = 8,020,562,453.76/102,194.93 - Step 6: Final answer
x = 78,482.98
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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.