Finding the Fourth Proportional to 126,154.18, 189,198.99 and 37,386.94
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Solution
The fourth proportional to 126,154.18, 189,198.99 and 37,386.94 is: 56,070.84
Step by Step Solution
- Step 1: Write the proportion equation
126,154.18 : 189,198.99 = 37,386.94 : x - Step 2: Convert to fraction form
126,154.18/189,198.99 = 37,386.94/x - Step 3: Cross multiply
126,154.18x = 189,198.99 × 37,386.94 - Step 4: Simplify right side
126,154.18x = 7,073,571,287.19 - Step 5: Solve for x
x = 7,073,571,287.19/126,154.18 - Step 6: Final answer
x = 56,070.84
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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.