Finding the Fourth Proportional to 134,660.87, 185,832.57 and 74,230.20
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Solution
The fourth proportional to 134,660.87, 185,832.57 and 74,230.20 is: 102,437.99
Step by Step Solution
- Step 1: Write the proportion equation
134,660.87 : 185,832.57 = 74,230.20 : x - Step 2: Convert to fraction form
134,660.87/185,832.57 = 74,230.20/x - Step 3: Cross multiply
134,660.87x = 185,832.57 × 74,230.20 - Step 4: Simplify right side
134,660.87x = 13,794,388,837.61 - Step 5: Solve for x
x = 13,794,388,837.61/134,660.87 - Step 6: Final answer
x = 102,437.99
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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.