Finding the Fourth Proportional to 132,502.08, 182,791.44 and 78,756.96
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Solution
The fourth proportional to 132,502.08, 182,791.44 and 78,756.96 is: 108,648.09
Step by Step Solution
- Step 1: Write the proportion equation
132,502.08 : 182,791.44 = 78,756.96 : x - Step 2: Convert to fraction form
132,502.08/182,791.44 = 78,756.96/x - Step 3: Cross multiply
132,502.08x = 182,791.44 × 78,756.96 - Step 4: Simplify right side
132,502.08x = 14,396,098,128.42 - Step 5: Solve for x
x = 14,396,098,128.42/132,502.08 - Step 6: Final answer
x = 108,648.09
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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.