Finding the Fourth Proportional to 166,089.65, 248,759.87 and 77,155.99
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Solution
The fourth proportional to 166,089.65, 248,759.87 and 77,155.99 is: 115,559.96
Step by Step Solution
- Step 1: Write the proportion equation
166,089.65 : 248,759.87 = 77,155.99 : x - Step 2: Convert to fraction form
166,089.65/248,759.87 = 77,155.99/x - Step 3: Cross multiply
166,089.65x = 248,759.87 × 77,155.99 - Step 4: Simplify right side
166,089.65x = 19,193,313,034.44 - Step 5: Solve for x
x = 19,193,313,034.44/166,089.65 - Step 6: Final answer
x = 115,559.96
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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.