Finding the Fourth Proportional to 132,137.39, 182,350.08 and 71,708.02
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Solution
The fourth proportional to 132,137.39, 182,350.08 and 71,708.02 is: 98,957.32
Step by Step Solution
- Step 1: Write the proportion equation
132,137.39 : 182,350.08 = 71,708.02 : x - Step 2: Convert to fraction form
132,137.39/182,350.08 = 71,708.02/x - Step 3: Cross multiply
132,137.39x = 182,350.08 × 71,708.02 - Step 4: Simplify right side
132,137.39x = 13,075,962,727.77 - Step 5: Solve for x
x = 13,075,962,727.77/132,137.39 - Step 6: Final answer
x = 98,957.32
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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.