Finding the Fourth Proportional to 115,660.80, 173,750.40 and 110,937.60
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Solution
The fourth proportional to 115,660.80, 173,750.40 and 110,937.60 is: 166,655.02
Step by Step Solution
- Step 1: Write the proportion equation
115,660.80 : 173,750.40 = 110,937.60 : x - Step 2: Convert to fraction form
115,660.80/173,750.40 = 110,937.60/x - Step 3: Cross multiply
115,660.80x = 173,750.40 × 110,937.60 - Step 4: Simplify right side
115,660.80x = 19,275,452,375.04 - Step 5: Solve for x
x = 19,275,452,375.04/115,660.80 - Step 6: Final answer
x = 166,655.02
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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.