Finding the Fourth Proportional to 136,627.14, 188,562.73 and 82,909.06
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Solution
The fourth proportional to 136,627.14, 188,562.73 and 82,909.06 is: 114,424.99
Step by Step Solution
- Step 1: Write the proportion equation
136,627.14 : 188,562.73 = 82,909.06 : x - Step 2: Convert to fraction form
136,627.14/188,562.73 = 82,909.06/x - Step 3: Cross multiply
136,627.14x = 188,562.73 × 82,909.06 - Step 4: Simplify right side
136,627.14x = 15,633,558,695.33 - Step 5: Solve for x
x = 15,633,558,695.33/136,627.14 - Step 6: Final answer
x = 114,424.99
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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.