Finding the Fourth Proportional to 126,474.68, 174,552.36 and 72,758.72
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Solution
The fourth proportional to 126,474.68, 174,552.36 and 72,758.72 is: 100,416.99
Step by Step Solution
- Step 1: Write the proportion equation
126,474.68 : 174,552.36 = 72,758.72 : x - Step 2: Convert to fraction form
126,474.68/174,552.36 = 72,758.72/x - Step 3: Cross multiply
126,474.68x = 174,552.36 × 72,758.72 - Step 4: Simplify right side
126,474.68x = 12,700,206,286.58 - Step 5: Solve for x
x = 12,700,206,286.58/126,474.68 - Step 6: Final answer
x = 100,416.99
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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.