Finding the Fourth Proportional to 117,818.88, 162,589.92 and 67,518.08
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Solution
The fourth proportional to 117,818.88, 162,589.92 and 67,518.08 is: 93,174.87
Step by Step Solution
- Step 1: Write the proportion equation
117,818.88 : 162,589.92 = 67,518.08 : x - Step 2: Convert to fraction form
117,818.88/162,589.92 = 67,518.08/x - Step 3: Cross multiply
117,818.88x = 162,589.92 × 67,518.08 - Step 4: Simplify right side
117,818.88x = 10,977,759,225.75 - Step 5: Solve for x
x = 10,977,759,225.75/117,818.88 - Step 6: Final answer
x = 93,174.87
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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.