Finding the Fourth Proportional to 132,069.04, 182,053.06 and 80,987.05
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Solution
The fourth proportional to 132,069.04, 182,053.06 and 80,987.05 is: 111,638.12
Step by Step Solution
- Step 1: Write the proportion equation
132,069.04 : 182,053.06 = 80,987.05 : x - Step 2: Convert to fraction form
132,069.04/182,053.06 = 80,987.05/x - Step 3: Cross multiply
132,069.04x = 182,053.06 × 80,987.05 - Step 4: Simplify right side
132,069.04x = 14,743,940,297.97 - Step 5: Solve for x
x = 14,743,940,297.97/132,069.04 - Step 6: Final answer
x = 111,638.12
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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.