Finding the Fourth Proportional to 126,270.23, 189,175.64 and 73,519.79
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Solution
The fourth proportional to 126,270.23, 189,175.64 and 73,519.79 is: 110,145.94
Step by Step Solution
- Step 1: Write the proportion equation
126,270.23 : 189,175.64 = 73,519.79 : x - Step 2: Convert to fraction form
126,270.23/189,175.64 = 73,519.79/x - Step 3: Cross multiply
126,270.23x = 189,175.64 × 73,519.79 - Step 4: Simplify right side
126,270.23x = 13,908,152,012.44 - Step 5: Solve for x
x = 13,908,152,012.44/126,270.23 - Step 6: Final answer
x = 110,145.94
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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.