Finding the Fourth Proportional to 166,805.08, 230,193.30 and 91,354.12
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Solution
The fourth proportional to 166,805.08, 230,193.30 and 91,354.12 is: 126,069.94
Step by Step Solution
- Step 1: Write the proportion equation
166,805.08 : 230,193.30 = 91,354.12 : x - Step 2: Convert to fraction form
166,805.08/230,193.30 = 91,354.12/x - Step 3: Cross multiply
166,805.08x = 230,193.30 × 91,354.12 - Step 4: Simplify right side
166,805.08x = 21,029,106,351.40 - Step 5: Solve for x
x = 21,029,106,351.40/166,805.08 - Step 6: Final answer
x = 126,069.94
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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.