Finding the Fourth Proportional to 132,135.36, 182,350.86 and 77,677.54
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Solution
The fourth proportional to 132,135.36, 182,350.86 and 77,677.54 is: 107,197.39
Step by Step Solution
- Step 1: Write the proportion equation
132,135.36 : 182,350.86 = 77,677.54 : x - Step 2: Convert to fraction form
132,135.36/182,350.86 = 77,677.54/x - Step 3: Cross multiply
132,135.36x = 182,350.86 × 77,677.54 - Step 4: Simplify right side
132,135.36x = 14,164,566,221.68 - Step 5: Solve for x
x = 14,164,566,221.68/132,135.36 - Step 6: Final answer
x = 107,197.39
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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.