Finding the Fourth Proportional to 131,993.36, 181,974.62 and 104,859.48
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Solution
The fourth proportional to 131,993.36, 181,974.62 and 104,859.48 is: 144,566.09
Step by Step Solution
- Step 1: Write the proportion equation
131,993.36 : 181,974.62 = 104,859.48 : x - Step 2: Convert to fraction form
131,993.36/181,974.62 = 104,859.48/x - Step 3: Cross multiply
131,993.36x = 181,974.62 × 104,859.48 - Step 4: Simplify right side
131,993.36x = 19,081,764,026.40 - Step 5: Solve for x
x = 19,081,764,026.40/131,993.36 - Step 6: Final answer
x = 144,566.09
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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.