Finding the Fourth Proportional to 106,991.46, 160,513.88 and 32,112.99
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Solution
The fourth proportional to 106,991.46, 160,513.88 and 32,112.99 is: 48,177.49
Step by Step Solution
- Step 1: Write the proportion equation
106,991.46 : 160,513.88 = 32,112.99 : x - Step 2: Convert to fraction form
106,991.46/160,513.88 = 32,112.99/x - Step 3: Cross multiply
106,991.46x = 160,513.88 × 32,112.99 - Step 4: Simplify right side
106,991.46x = 5,154,580,462.74 - Step 5: Solve for x
x = 5,154,580,462.74/106,991.46 - Step 6: Final answer
x = 48,177.49
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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.