Finding the Fourth Proportional to 126,086.64, 189,157.63 and 37,347.09
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Solution
The fourth proportional to 126,086.64, 189,157.63 and 37,347.09 is: 56,028.83
Step by Step Solution
- Step 1: Write the proportion equation
126,086.64 : 189,157.63 = 37,347.09 : x - Step 2: Convert to fraction form
126,086.64/189,157.63 = 37,347.09/x - Step 3: Cross multiply
126,086.64x = 189,157.63 × 37,347.09 - Step 4: Simplify right side
126,086.64x = 7,064,487,031.80 - Step 5: Solve for x
x = 7,064,487,031.80/126,086.64 - Step 6: Final answer
x = 56,028.83
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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.