Finding the Fourth Proportional to 166,088.40, 248,757.99 and 77,154.74
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Solution
The fourth proportional to 166,088.40, 248,757.99 and 77,154.74 is: 115,558.09
Step by Step Solution
- Step 1: Write the proportion equation
166,088.40 : 248,757.99 = 77,154.74 : x - Step 2: Convert to fraction form
166,088.40/248,757.99 = 77,154.74/x - Step 3: Cross multiply
166,088.40x = 248,757.99 × 77,154.74 - Step 4: Simplify right side
166,088.40x = 19,192,858,041.37 - Step 5: Solve for x
x = 19,192,858,041.37/166,088.40 - Step 6: Final answer
x = 115,558.09
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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.