Finding the Fourth Proportional to 118,349.96, 163,214.75 and 92,511.92
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Solution
The fourth proportional to 118,349.96, 163,214.75 and 92,511.92 is: 127,581.89
Step by Step Solution
- Step 1: Write the proportion equation
118,349.96 : 163,214.75 = 92,511.92 : x - Step 2: Convert to fraction form
118,349.96/163,214.75 = 92,511.92/x - Step 3: Cross multiply
118,349.96x = 163,214.75 × 92,511.92 - Step 4: Simplify right side
118,349.96x = 15,099,310,534.14 - Step 5: Solve for x
x = 15,099,310,534.14/118,349.96 - Step 6: Final answer
x = 127,581.89
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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.