Finding the Fourth Proportional to 126,090.48, 189,135.12 and 37,344.48
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Solution
The fourth proportional to 126,090.48, 189,135.12 and 37,344.48 is: 56,016.54
Step by Step Solution
- Step 1: Write the proportion equation
126,090.48 : 189,135.12 = 37,344.48 : x - Step 2: Convert to fraction form
126,090.48/189,135.12 = 37,344.48/x - Step 3: Cross multiply
126,090.48x = 189,135.12 × 37,344.48 - Step 4: Simplify right side
126,090.48x = 7,063,152,706.14 - Step 5: Solve for x
x = 7,063,152,706.14/126,090.48 - Step 6: Final answer
x = 56,016.54
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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.