Finding the Fourth Proportional to 126,895.26, 190,311.68 and 55,835.70
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Solution
The fourth proportional to 126,895.26, 190,311.68 and 55,835.70 is: 83,739.82
Step by Step Solution
- Step 1: Write the proportion equation
126,895.26 : 190,311.68 = 55,835.70 : x - Step 2: Convert to fraction form
126,895.26/190,311.68 = 55,835.70/x - Step 3: Cross multiply
126,895.26x = 190,311.68 × 55,835.70 - Step 4: Simplify right side
126,895.26x = 10,626,185,870.98 - Step 5: Solve for x
x = 10,626,185,870.98/126,895.26 - Step 6: Final answer
x = 83,739.82
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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.