Finding the Fourth Proportional to 131,451.18, 197,092.53 and 55,529.08
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Solution
The fourth proportional to 131,451.18, 197,092.53 and 55,529.08 is: 83,258.03
Step by Step Solution
- Step 1: Write the proportion equation
131,451.18 : 197,092.53 = 55,529.08 : x - Step 2: Convert to fraction form
131,451.18/197,092.53 = 55,529.08/x - Step 3: Cross multiply
131,451.18x = 197,092.53 × 55,529.08 - Step 4: Simplify right side
131,451.18x = 10,944,366,865.77 - Step 5: Solve for x
x = 10,944,366,865.77/131,451.18 - Step 6: Final answer
x = 83,258.03
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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.