Finding the Fourth Proportional to 134,523.18, 185,636.90 and 80,837.79
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Solution
The fourth proportional to 134,523.18, 185,636.90 and 80,837.79 is: 111,553.09
Step by Step Solution
- Step 1: Write the proportion equation
134,523.18 : 185,636.90 = 80,837.79 : x - Step 2: Convert to fraction form
134,523.18/185,636.90 = 80,837.79/x - Step 3: Cross multiply
134,523.18x = 185,636.90 × 80,837.79 - Step 4: Simplify right side
134,523.18x = 15,006,476,334.26 - Step 5: Solve for x
x = 15,006,476,334.26/134,523.18 - Step 6: Final answer
x = 111,553.09
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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.