Finding the Fourth Proportional to 159,771.96, 220,491.97 and 88,156.62
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Solution
The fourth proportional to 159,771.96, 220,491.97 and 88,156.62 is: 121,659.81
Step by Step Solution
- Step 1: Write the proportion equation
159,771.96 : 220,491.97 = 88,156.62 : x - Step 2: Convert to fraction form
159,771.96/220,491.97 = 88,156.62/x - Step 3: Cross multiply
159,771.96x = 220,491.97 × 88,156.62 - Step 4: Simplify right side
159,771.96x = 19,437,827,087.83 - Step 5: Solve for x
x = 19,437,827,087.83/159,771.96 - Step 6: Final answer
x = 121,659.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.