Finding the Fourth Proportional to 195,531.68, 269,833.74 and 106,107.68
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Solution
The fourth proportional to 195,531.68, 269,833.74 and 106,107.68 is: 146,428.61
Step by Step Solution
- Step 1: Write the proportion equation
195,531.68 : 269,833.74 = 106,107.68 : x - Step 2: Convert to fraction form
195,531.68/269,833.74 = 106,107.68/x - Step 3: Cross multiply
195,531.68x = 269,833.74 × 106,107.68 - Step 4: Simplify right side
195,531.68x = 28,631,432,137.12 - Step 5: Solve for x
x = 28,631,432,137.12/195,531.68 - Step 6: Final answer
x = 146,428.61
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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.