Finding the Fourth Proportional to 126,190.23, 189,560.22 and 76,293.84
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Solution
The fourth proportional to 126,190.23, 189,560.22 and 76,293.84 is: 114,606.95
Step by Step Solution
- Step 1: Write the proportion equation
126,190.23 : 189,560.22 = 76,293.84 : x - Step 2: Convert to fraction form
126,190.23/189,560.22 = 76,293.84/x - Step 3: Cross multiply
126,190.23x = 189,560.22 × 76,293.84 - Step 4: Simplify right side
126,190.23x = 14,462,277,095.04 - Step 5: Solve for x
x = 14,462,277,095.04/126,190.23 - Step 6: Final answer
x = 114,606.95
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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.