Finding the Fourth Proportional to 117,340.83, 161,958.36 and 69,621.87
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Solution
The fourth proportional to 117,340.83, 161,958.36 and 69,621.87 is: 96,094.80
Step by Step Solution
- Step 1: Write the proportion equation
117,340.83 : 161,958.36 = 69,621.87 : x - Step 2: Convert to fraction form
117,340.83/161,958.36 = 69,621.87/x - Step 3: Cross multiply
117,340.83x = 161,958.36 × 69,621.87 - Step 4: Simplify right side
117,340.83x = 11,275,843,885.33 - Step 5: Solve for x
x = 11,275,843,885.33/117,340.83 - Step 6: Final answer
x = 96,094.80
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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.