Finding the Fourth Proportional to 116,116.18, 174,021.98 and 84,202.18
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Solution
The fourth proportional to 116,116.18, 174,021.98 and 84,202.18 is: 126,192.84
Step by Step Solution
- Step 1: Write the proportion equation
116,116.18 : 174,021.98 = 84,202.18 : x - Step 2: Convert to fraction form
116,116.18/174,021.98 = 84,202.18/x - Step 3: Cross multiply
116,116.18x = 174,021.98 × 84,202.18 - Step 4: Simplify right side
116,116.18x = 14,653,030,083.92 - Step 5: Solve for x
x = 14,653,030,083.92/116,116.18 - Step 6: Final answer
x = 126,192.84
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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.