Finding the Fourth Proportional to 132,518.84, 182,874.50 and 98,678.68
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Solution
The fourth proportional to 132,518.84, 182,874.50 and 98,678.68 is: 136,175.46
Step by Step Solution
- Step 1: Write the proportion equation
132,518.84 : 182,874.50 = 98,678.68 : x - Step 2: Convert to fraction form
132,518.84/182,874.50 = 98,678.68/x - Step 3: Cross multiply
132,518.84x = 182,874.50 × 98,678.68 - Step 4: Simplify right side
132,518.84x = 18,045,814,265.66 - Step 5: Solve for x
x = 18,045,814,265.66/132,518.84 - Step 6: Final answer
x = 136,175.46
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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.