Finding the Fourth Proportional to 104,195.44, 143,789.44 and 56,449.96
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Solution
The fourth proportional to 104,195.44, 143,789.44 and 56,449.96 is: 77,900.80
Step by Step Solution
- Step 1: Write the proportion equation
104,195.44 : 143,789.44 = 56,449.96 : x - Step 2: Convert to fraction form
104,195.44/143,789.44 = 56,449.96/x - Step 3: Cross multiply
104,195.44x = 143,789.44 × 56,449.96 - Step 4: Simplify right side
104,195.44x = 8,116,908,136.42 - Step 5: Solve for x
x = 8,116,908,136.42/104,195.44 - Step 6: Final answer
x = 77,900.80
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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.