Finding the Fourth Proportional to 126,310.96, 189,285.84 and 92,767.84
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Solution
The fourth proportional to 126,310.96, 189,285.84 and 92,767.84 is: 139,019.12
Step by Step Solution
- Step 1: Write the proportion equation
126,310.96 : 189,285.84 = 92,767.84 : x - Step 2: Convert to fraction form
126,310.96/189,285.84 = 92,767.84/x - Step 3: Cross multiply
126,310.96x = 189,285.84 × 92,767.84 - Step 4: Simplify right side
126,310.96x = 17,559,638,519.39 - Step 5: Solve for x
x = 17,559,638,519.39/126,310.96 - Step 6: Final answer
x = 139,019.12
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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.