Finding the Fourth Proportional to 113,687.84, 170,532.08 and 39,798.56
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Solution
The fourth proportional to 113,687.84, 170,532.08 and 39,798.56 is: 59,697.95
Step by Step Solution
- Step 1: Write the proportion equation
113,687.84 : 170,532.08 = 39,798.56 : x - Step 2: Convert to fraction form
113,687.84/170,532.08 = 39,798.56/x - Step 3: Cross multiply
113,687.84x = 170,532.08 × 39,798.56 - Step 4: Simplify right side
113,687.84x = 6,786,931,217.80 - Step 5: Solve for x
x = 6,786,931,217.80/113,687.84 - Step 6: Final answer
x = 59,697.95
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1.5x scale
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.