Finding the Fourth Proportional to 134,935.74, 202,527.09 and 68,421.78
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Solution
The fourth proportional to 134,935.74, 202,527.09 and 68,421.78 is: 102,695.28
Step by Step Solution
- Step 1: Write the proportion equation
134,935.74 : 202,527.09 = 68,421.78 : x - Step 2: Convert to fraction form
134,935.74/202,527.09 = 68,421.78/x - Step 3: Cross multiply
134,935.74x = 202,527.09 × 68,421.78 - Step 4: Simplify right side
134,935.74x = 13,857,263,996.02 - Step 5: Solve for x
x = 13,857,263,996.02/134,935.74 - Step 6: Final answer
x = 102,695.28
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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.