Finding the Fourth Proportional to 113,911.67, 170,904.07 and 54,751.63
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Solution
The fourth proportional to 113,911.67, 170,904.07 and 54,751.63 is: 82,145.02
Step by Step Solution
- Step 1: Write the proportion equation
113,911.67 : 170,904.07 = 54,751.63 : x - Step 2: Convert to fraction form
113,911.67/170,904.07 = 54,751.63/x - Step 3: Cross multiply
113,911.67x = 170,904.07 × 54,751.63 - Step 4: Simplify right side
113,911.67x = 9,357,276,406.13 - Step 5: Solve for x
x = 9,357,276,406.13/113,911.67 - Step 6: Final answer
x = 82,145.02
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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.