Finding the Fourth Proportional to 146,790.72, 202,566.96 and 83,134.08
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Solution
The fourth proportional to 146,790.72, 202,566.96 and 83,134.08 is: 114,722.63
Step by Step Solution
- Step 1: Write the proportion equation
146,790.72 : 202,566.96 = 83,134.08 : x - Step 2: Convert to fraction form
146,790.72/202,566.96 = 83,134.08/x - Step 3: Cross multiply
146,790.72x = 202,566.96 × 83,134.08 - Step 4: Simplify right side
146,790.72x = 16,840,217,858.00 - Step 5: Solve for x
x = 16,840,217,858.00/146,790.72 - Step 6: Final answer
x = 114,722.63
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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.