Finding the Fourth Proportional to 134,514.41, 185,622.44 and 74,073.62
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Solution
The fourth proportional to 134,514.41, 185,622.44 and 74,073.62 is: 102,217.50
Step by Step Solution
- Step 1: Write the proportion equation
134,514.41 : 185,622.44 = 74,073.62 : x - Step 2: Convert to fraction form
134,514.41/185,622.44 = 74,073.62/x - Step 3: Cross multiply
134,514.41x = 185,622.44 × 74,073.62 - Step 4: Simplify right side
134,514.41x = 13,749,726,177.72 - Step 5: Solve for x
x = 13,749,726,177.72/134,514.41 - Step 6: Final answer
x = 102,217.50
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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.