Finding the Fourth Proportional to 102,787.77, 141,795.16 and 68,797.68
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Solution
The fourth proportional to 102,787.77, 141,795.16 and 68,797.68 is: 94,906.02
Step by Step Solution
- Step 1: Write the proportion equation
102,787.77 : 141,795.16 = 68,797.68 : x - Step 2: Convert to fraction form
102,787.77/141,795.16 = 68,797.68/x - Step 3: Cross multiply
102,787.77x = 141,795.16 × 68,797.68 - Step 4: Simplify right side
102,787.77x = 9,755,178,043.23 - Step 5: Solve for x
x = 9,755,178,043.23/102,787.77 - Step 6: Final answer
x = 94,906.02
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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.