Finding the Fourth Proportional to 127,814.18, 176,477.46 and 82,518.62
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Solution
The fourth proportional to 127,814.18, 176,477.46 and 82,518.62 is: 113,936.31
Step by Step Solution
- Step 1: Write the proportion equation
127,814.18 : 176,477.46 = 82,518.62 : x - Step 2: Convert to fraction form
127,814.18/176,477.46 = 82,518.62/x - Step 3: Cross multiply
127,814.18x = 176,477.46 × 82,518.62 - Step 4: Simplify right side
127,814.18x = 14,562,676,460.31 - Step 5: Solve for x
x = 14,562,676,460.31/127,814.18 - Step 6: Final answer
x = 113,936.31
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1.5x scale
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.