Finding the Fourth Proportional to 132,225.10, 182,444.97 and 78,526.96
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Solution
The fourth proportional to 132,225.10, 182,444.97 and 78,526.96 is: 108,351.96
Step by Step Solution
- Step 1: Write the proportion equation
132,225.10 : 182,444.97 = 78,526.96 : x - Step 2: Convert to fraction form
132,225.10/182,444.97 = 78,526.96/x - Step 3: Cross multiply
132,225.10x = 182,444.97 × 78,526.96 - Step 4: Simplify right side
132,225.10x = 14,326,848,699.75 - Step 5: Solve for x
x = 14,326,848,699.75/132,225.10 - Step 6: Final answer
x = 108,351.96
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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.