Finding the Fourth Proportional to 141,326.20, 211,989.30 and 125,579.80
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Solution
The fourth proportional to 141,326.20, 211,989.30 and 125,579.80 is: 188,369.70
Step by Step Solution
- Step 1: Write the proportion equation
141,326.20 : 211,989.30 = 125,579.80 : x - Step 2: Convert to fraction form
141,326.20/211,989.30 = 125,579.80/x - Step 3: Cross multiply
141,326.20x = 211,989.30 × 125,579.80 - Step 4: Simplify right side
141,326.20x = 26,621,573,896.14 - Step 5: Solve for x
x = 26,621,573,896.14/141,326.20 - Step 6: Final answer
x = 188,369.70
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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.