Finding the Fourth Proportional to 119,179.68, 178,497.36 and 56,893.92
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Solution
The fourth proportional to 119,179.68, 178,497.36 and 56,893.92 is: 85,210.96
Step by Step Solution
- Step 1: Write the proportion equation
119,179.68 : 178,497.36 = 56,893.92 : x - Step 2: Convert to fraction form
119,179.68/178,497.36 = 56,893.92/x - Step 3: Cross multiply
119,179.68x = 178,497.36 × 56,893.92 - Step 4: Simplify right side
119,179.68x = 10,155,414,520.05 - Step 5: Solve for x
x = 10,155,414,520.05/119,179.68 - Step 6: Final answer
x = 85,210.96
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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.