Finding the Fourth Proportional to 118,260.08, 163,198.84 and 67,958.96
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Solution
The fourth proportional to 118,260.08, 163,198.84 and 67,958.96 is: 93,783.32
Step by Step Solution
- Step 1: Write the proportion equation
118,260.08 : 163,198.84 = 67,958.96 : x - Step 2: Convert to fraction form
118,260.08/163,198.84 = 67,958.96/x - Step 3: Cross multiply
118,260.08x = 163,198.84 × 67,958.96 - Step 4: Simplify right side
118,260.08x = 11,090,823,439.61 - Step 5: Solve for x
x = 11,090,823,439.61/118,260.08 - Step 6: Final answer
x = 93,783.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.