Finding the Fourth Proportional to 106,636.80, 159,724.80 and 88,204.80
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Solution
The fourth proportional to 106,636.80, 159,724.80 and 88,204.80 is: 132,116.62
Step by Step Solution
- Step 1: Write the proportion equation
106,636.80 : 159,724.80 = 88,204.80 : x - Step 2: Convert to fraction form
106,636.80/159,724.80 = 88,204.80/x - Step 3: Cross multiply
106,636.80x = 159,724.80 × 88,204.80 - Step 4: Simplify right side
106,636.80x = 14,088,494,039.04 - Step 5: Solve for x
x = 14,088,494,039.04/106,636.80 - Step 6: Final answer
x = 132,116.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.