Finding the Fourth Proportional to 135,957.20, 187,617.57 and 75,527.99
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Solution
The fourth proportional to 135,957.20, 187,617.57 and 75,527.99 is: 104,226.76
Step by Step Solution
- Step 1: Write the proportion equation
135,957.20 : 187,617.57 = 75,527.99 : x - Step 2: Convert to fraction form
135,957.20/187,617.57 = 75,527.99/x - Step 3: Cross multiply
135,957.20x = 187,617.57 × 75,527.99 - Step 4: Simplify right side
135,957.20x = 14,170,378,349.02 - Step 5: Solve for x
x = 14,170,378,349.02/135,957.20 - Step 6: Final answer
x = 104,226.76
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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.