Finding the Fourth Proportional to 126,259.96, 189,209.50 and 92,716.88
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Solution
The fourth proportional to 126,259.96, 189,209.50 and 92,716.88 is: 138,942.82
Step by Step Solution
- Step 1: Write the proportion equation
126,259.96 : 189,209.50 = 92,716.88 : x - Step 2: Convert to fraction form
126,259.96/189,209.50 = 92,716.88/x - Step 3: Cross multiply
126,259.96x = 189,209.50 × 92,716.88 - Step 4: Simplify right side
126,259.96x = 17,542,914,506.36 - Step 5: Solve for x
x = 17,542,914,506.36/126,259.96 - Step 6: Final answer
x = 138,942.82
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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.