Finding the Fourth Proportional to 106,671.63, 147,096.36 and 91,614.09
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Solution
The fourth proportional to 106,671.63, 147,096.36 and 91,614.09 is: 126,332.55
Step by Step Solution
- Step 1: Write the proportion equation
106,671.63 : 147,096.36 = 91,614.09 : x - Step 2: Convert to fraction form
106,671.63/147,096.36 = 91,614.09/x - Step 3: Cross multiply
106,671.63x = 147,096.36 × 91,614.09 - Step 4: Simplify right side
106,671.63x = 13,476,099,163.71 - Step 5: Solve for x
x = 13,476,099,163.71/106,671.63 - Step 6: Final answer
x = 126,332.55
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1.5x scale
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.