Finding the Fourth Proportional to 126,076.64, 189,142.63 and 37,337.09
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Solution
The fourth proportional to 126,076.64, 189,142.63 and 37,337.09 is: 56,013.82
Step by Step Solution
- Step 1: Write the proportion equation
126,076.64 : 189,142.63 = 37,337.09 : x - Step 2: Convert to fraction form
126,076.64/189,142.63 = 37,337.09/x - Step 3: Cross multiply
126,076.64x = 189,142.63 × 37,337.09 - Step 4: Simplify right side
126,076.64x = 7,062,034,360.09 - Step 5: Solve for x
x = 7,062,034,360.09/126,076.64 - Step 6: Final answer
x = 56,013.82
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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.