Finding the Fourth Proportional to 126,088.76, 189,135.84 and 37,344.08
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Solution
The fourth proportional to 126,088.76, 189,135.84 and 37,344.08 is: 56,016.92
Step by Step Solution
- Step 1: Write the proportion equation
126,088.76 : 189,135.84 = 37,344.08 : x - Step 2: Convert to fraction form
126,088.76/189,135.84 = 37,344.08/x - Step 3: Cross multiply
126,088.76x = 189,135.84 × 37,344.08 - Step 4: Simplify right side
126,088.76x = 7,063,103,939.83 - Step 5: Solve for x
x = 7,063,103,939.83/126,088.76 - Step 6: Final answer
x = 56,016.92
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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.