Finding the Fourth Proportional to 134,186.40, 185,184.36 and 80,473.68
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Solution
The fourth proportional to 134,186.40, 185,184.36 and 80,473.68 is: 111,057.95
Step by Step Solution
- Step 1: Write the proportion equation
134,186.40 : 185,184.36 = 80,473.68 : x - Step 2: Convert to fraction form
134,186.40/185,184.36 = 80,473.68/x - Step 3: Cross multiply
134,186.40x = 185,184.36 × 80,473.68 - Step 4: Simplify right side
134,186.40x = 14,902,466,927.64 - Step 5: Solve for x
x = 14,902,466,927.64/134,186.40 - Step 6: Final answer
x = 111,057.95
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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.