Finding the Fourth Proportional to 132,133.68, 182,332.44 and 78,409.44
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Solution
The fourth proportional to 132,133.68, 182,332.44 and 78,409.44 is: 108,197.88
Step by Step Solution
- Step 1: Write the proportion equation
132,133.68 : 182,332.44 = 78,409.44 : x - Step 2: Convert to fraction form
132,133.68/182,332.44 = 78,409.44/x - Step 3: Cross multiply
132,133.68x = 182,332.44 × 78,409.44 - Step 4: Simplify right side
132,133.68x = 14,296,584,514.23 - Step 5: Solve for x
x = 14,296,584,514.23/132,133.68 - Step 6: Final answer
x = 108,197.88
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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.