Finding the Fourth Proportional to 115,993.63, 160,068.48 and 68,250.07
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Solution
The fourth proportional to 115,993.63, 160,068.48 and 68,250.07 is: 94,183.49
Step by Step Solution
- Step 1: Write the proportion equation
115,993.63 : 160,068.48 = 68,250.07 : x - Step 2: Convert to fraction form
115,993.63/160,068.48 = 68,250.07/x - Step 3: Cross multiply
115,993.63x = 160,068.48 × 68,250.07 - Step 4: Simplify right side
115,993.63x = 10,924,684,164.45 - Step 5: Solve for x
x = 10,924,684,164.45/115,993.63 - Step 6: Final answer
x = 94,183.49
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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.