Finding the Fourth Proportional to 125,490.10, 188,157.39 and 58,944.82
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Solution
The fourth proportional to 125,490.10, 188,157.39 and 58,944.82 is: 88,380.70
Step by Step Solution
- Step 1: Write the proportion equation
125,490.10 : 188,157.39 = 58,944.82 : x - Step 2: Convert to fraction form
125,490.10/188,157.39 = 58,944.82/x - Step 3: Cross multiply
125,490.10x = 188,157.39 × 58,944.82 - Step 4: Simplify right side
125,490.10x = 11,090,903,485.22 - Step 5: Solve for x
x = 11,090,903,485.22/125,490.10 - Step 6: Final answer
x = 88,380.70
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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.