Finding the Fourth Proportional to 148,965.58, 223,149.18 and 68,891.30
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Solution
The fourth proportional to 148,965.58, 223,149.18 and 68,891.30 is: 103,198.59
Step by Step Solution
- Step 1: Write the proportion equation
148,965.58 : 223,149.18 = 68,891.30 : x - Step 2: Convert to fraction form
148,965.58/223,149.18 = 68,891.30/x - Step 3: Cross multiply
148,965.58x = 223,149.18 × 68,891.30 - Step 4: Simplify right side
148,965.58x = 15,373,037,104.13 - Step 5: Solve for x
x = 15,373,037,104.13/148,965.58 - Step 6: Final answer
x = 103,198.59
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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.