Finding the Fourth Proportional to 168,133.19, 252,239.20 and 66,937.43
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Solution
The fourth proportional to 168,133.19, 252,239.20 and 66,937.43 is: 100,421.84
Step by Step Solution
- Step 1: Write the proportion equation
168,133.19 : 252,239.20 = 66,937.43 : x - Step 2: Convert to fraction form
168,133.19/252,239.20 = 66,937.43/x - Step 3: Cross multiply
168,133.19x = 252,239.20 × 66,937.43 - Step 4: Simplify right side
168,133.19x = 16,884,244,256.51 - Step 5: Solve for x
x = 16,884,244,256.51/168,133.19 - Step 6: Final answer
x = 100,421.84
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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.