Finding the Fourth Proportional to 126,118.26, 189,178.07 and 37,372.53
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Solution
The fourth proportional to 126,118.26, 189,178.07 and 37,372.53 is: 56,059.00
Step by Step Solution
- Step 1: Write the proportion equation
126,118.26 : 189,178.07 = 37,372.53 : x - Step 2: Convert to fraction form
126,118.26/189,178.07 = 37,372.53/x - Step 3: Cross multiply
126,118.26x = 189,178.07 × 37,372.53 - Step 4: Simplify right side
126,118.26x = 7,070,063,096.42 - Step 5: Solve for x
x = 7,070,063,096.42/126,118.26 - Step 6: Final answer
x = 56,059.00
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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.