Finding the Fourth Proportional to 98,106.88, 147,161.70 and 27,986.19
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Solution
The fourth proportional to 98,106.88, 147,161.70 and 27,986.19 is: 41,979.68
Step by Step Solution
- Step 1: Write the proportion equation
98,106.88 : 147,161.70 = 27,986.19 : x - Step 2: Convert to fraction form
98,106.88/147,161.70 = 27,986.19/x - Step 3: Cross multiply
98,106.88x = 147,161.70 × 27,986.19 - Step 4: Simplify right side
98,106.88x = 4,118,495,296.92 - Step 5: Solve for x
x = 4,118,495,296.92/98,106.88 - Step 6: Final answer
x = 41,979.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.