Finding the Fourth Proportional to 143,101.80, 197,716.68 and 107,409.96
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Solution
The fourth proportional to 143,101.80, 197,716.68 and 107,409.96 is: 148,403.03
Step by Step Solution
- Step 1: Write the proportion equation
143,101.80 : 197,716.68 = 107,409.96 : x - Step 2: Convert to fraction form
143,101.80/197,716.68 = 107,409.96/x - Step 3: Cross multiply
143,101.80x = 197,716.68 × 107,409.96 - Step 4: Simplify right side
143,101.80x = 21,236,740,690.13 - Step 5: Solve for x
x = 21,236,740,690.13/143,101.80 - Step 6: Final answer
x = 148,403.03
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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.