Finding the Fourth Proportional to 126,593.64, 189,639.99 and 102,927.60
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Solution
The fourth proportional to 126,593.64, 189,639.99 and 102,927.60 is: 154,187.75
Step by Step Solution
- Step 1: Write the proportion equation
126,593.64 : 189,639.99 = 102,927.60 : x - Step 2: Convert to fraction form
126,593.64/189,639.99 = 102,927.60/x - Step 3: Cross multiply
126,593.64x = 189,639.99 × 102,927.60 - Step 4: Simplify right side
126,593.64x = 19,519,189,034.72 - Step 5: Solve for x
x = 19,519,189,034.72/126,593.64 - Step 6: Final answer
x = 154,187.75
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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.