Finding the Fourth Proportional to 135,766.66, 203,798.97 and 107,866.06
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Solution
The fourth proportional to 135,766.66, 203,798.97 and 107,866.06 is: 161,917.45
Step by Step Solution
- Step 1: Write the proportion equation
135,766.66 : 203,798.97 = 107,866.06 : x - Step 2: Convert to fraction form
135,766.66/203,798.97 = 107,866.06/x - Step 3: Cross multiply
135,766.66x = 203,798.97 × 107,866.06 - Step 4: Simplify right side
135,766.66x = 21,982,990,367.63 - Step 5: Solve for x
x = 21,982,990,367.63/135,766.66 - Step 6: Final answer
x = 161,917.45
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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.