Finding the Fourth Proportional to 104,186.36, 143,777.04 and 56,439.92
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Solution
The fourth proportional to 104,186.36, 143,777.04 and 56,439.92 is: 77,887.02
Step by Step Solution
- Step 1: Write the proportion equation
104,186.36 : 143,777.04 = 56,439.92 : x - Step 2: Convert to fraction form
104,186.36/143,777.04 = 56,439.92/x - Step 3: Cross multiply
104,186.36x = 143,777.04 × 56,439.92 - Step 4: Simplify right side
104,186.36x = 8,114,764,635.44 - Step 5: Solve for x
x = 8,114,764,635.44/104,186.36 - Step 6: Final answer
x = 77,887.02
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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.