Finding the Fourth Proportional to 113,160.12, 169,739.10 and 68,799.12
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Solution
The fourth proportional to 113,160.12, 169,739.10 and 68,799.12 is: 103,198.02
Step by Step Solution
- Step 1: Write the proportion equation
113,160.12 : 169,739.10 = 68,799.12 : x - Step 2: Convert to fraction form
113,160.12/169,739.10 = 68,799.12/x - Step 3: Cross multiply
113,160.12x = 169,739.10 × 68,799.12 - Step 4: Simplify right side
113,160.12x = 11,677,900,709.59 - Step 5: Solve for x
x = 11,677,900,709.59/113,160.12 - Step 6: Final answer
x = 103,198.02
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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.