Finding the Fourth Proportional to 132,112.94, 182,467.28 and 86,992.63
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Solution
The fourth proportional to 132,112.94, 182,467.28 and 86,992.63 is: 120,149.54
Step by Step Solution
- Step 1: Write the proportion equation
132,112.94 : 182,467.28 = 86,992.63 : x - Step 2: Convert to fraction form
132,112.94/182,467.28 = 86,992.63/x - Step 3: Cross multiply
132,112.94x = 182,467.28 × 86,992.63 - Step 4: Simplify right side
132,112.94x = 15,873,308,337.46 - Step 5: Solve for x
x = 15,873,308,337.46/132,112.94 - Step 6: Final answer
x = 120,149.54
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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.