Finding the Fourth Proportional to 141,192.84, 211,789.35 and 88,639.23
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Solution
The fourth proportional to 141,192.84, 211,789.35 and 88,639.23 is: 132,958.90
Step by Step Solution
- Step 1: Write the proportion equation
141,192.84 : 211,789.35 = 88,639.23 : x - Step 2: Convert to fraction form
141,192.84/211,789.35 = 88,639.23/x - Step 3: Cross multiply
141,192.84x = 211,789.35 × 88,639.23 - Step 4: Simplify right side
141,192.84x = 18,772,844,906.20 - Step 5: Solve for x
x = 18,772,844,906.20/141,192.84 - Step 6: Final answer
x = 132,958.90
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1.5x scale
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.