Finding the Fourth Proportional to 126,304.06, 189,327.91 and 107,869.70
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Solution
The fourth proportional to 126,304.06, 189,327.91 and 107,869.70 is: 161,695.08
Step by Step Solution
- Step 1: Write the proportion equation
126,304.06 : 189,327.91 = 107,869.70 : x - Step 2: Convert to fraction form
126,304.06/189,327.91 = 107,869.70/x - Step 3: Cross multiply
126,304.06x = 189,327.91 × 107,869.70 - Step 4: Simplify right side
126,304.06x = 20,422,744,423.36 - Step 5: Solve for x
x = 20,422,744,423.36/126,304.06 - Step 6: Final answer
x = 161,695.08
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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.