Finding the Fourth Proportional to 112,877.19, 155,716.92 and 67,546.08
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Solution
The fourth proportional to 112,877.19, 155,716.92 and 67,546.08 is: 93,181.51
Step by Step Solution
- Step 1: Write the proportion equation
112,877.19 : 155,716.92 = 67,546.08 : x - Step 2: Convert to fraction form
112,877.19/155,716.92 = 67,546.08/x - Step 3: Cross multiply
112,877.19x = 155,716.92 × 67,546.08 - Step 4: Simplify right side
112,877.19x = 10,518,067,535.67 - Step 5: Solve for x
x = 10,518,067,535.67/112,877.19 - Step 6: Final answer
x = 93,181.51
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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.