Finding the Fourth Proportional to 132,842.08, 199,321.44 and 70,517.44
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Solution
The fourth proportional to 132,842.08, 199,321.44 and 70,517.44 is: 105,807.12
Step by Step Solution
- Step 1: Write the proportion equation
132,842.08 : 199,321.44 = 70,517.44 : x - Step 2: Convert to fraction form
132,842.08/199,321.44 = 70,517.44/x - Step 3: Cross multiply
132,842.08x = 199,321.44 × 70,517.44 - Step 4: Simplify right side
132,842.08x = 14,055,637,685.91 - Step 5: Solve for x
x = 14,055,637,685.91/132,842.08 - Step 6: Final answer
x = 105,807.12
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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.