Finding the Fourth Proportional to 126,335.62, 189,602.44 and 88,136.48
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Solution
The fourth proportional to 126,335.62, 189,602.44 and 88,136.48 is: 132,273.79
Step by Step Solution
- Step 1: Write the proportion equation
126,335.62 : 189,602.44 = 88,136.48 : x - Step 2: Convert to fraction form
126,335.62/189,602.44 = 88,136.48/x - Step 3: Cross multiply
126,335.62x = 189,602.44 × 88,136.48 - Step 4: Simplify right side
126,335.62x = 16,710,891,661.01 - Step 5: Solve for x
x = 16,710,891,661.01/126,335.62 - Step 6: Final answer
x = 132,273.79
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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.