Finding the Fourth Proportional to 109,514.80, 151,126.96 and 61,118.08
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Solution
The fourth proportional to 109,514.80, 151,126.96 and 61,118.08 is: 84,341.02
Step by Step Solution
- Step 1: Write the proportion equation
109,514.80 : 151,126.96 = 61,118.08 : x - Step 2: Convert to fraction form
109,514.80/151,126.96 = 61,118.08/x - Step 3: Cross multiply
109,514.80x = 151,126.96 × 61,118.08 - Step 4: Simplify right side
109,514.80x = 9,236,589,631.44 - Step 5: Solve for x
x = 9,236,589,631.44/109,514.80 - Step 6: Final answer
x = 84,341.02
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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.