Finding the Fourth Proportional to 116,959.96, 161,404.86 and 63,244.99
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Solution
The fourth proportional to 116,959.96, 161,404.86 and 63,244.99 is: 87,278.15
Step by Step Solution
- Step 1: Write the proportion equation
116,959.96 : 161,404.86 = 63,244.99 : x - Step 2: Convert to fraction form
116,959.96/161,404.86 = 63,244.99/x - Step 3: Cross multiply
116,959.96x = 161,404.86 × 63,244.99 - Step 4: Simplify right side
116,959.96x = 10,208,048,756.65 - Step 5: Solve for x
x = 10,208,048,756.65/116,959.96 - Step 6: Final answer
x = 87,278.15
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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.