Finding the Fourth Proportional to 134,693.25, 202,099.44 and 70,636.09
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Solution
The fourth proportional to 134,693.25, 202,099.44 and 70,636.09 is: 105,985.37
Step by Step Solution
- Step 1: Write the proportion equation
134,693.25 : 202,099.44 = 70,636.09 : x - Step 2: Convert to fraction form
134,693.25/202,099.44 = 70,636.09/x - Step 3: Cross multiply
134,693.25x = 202,099.44 × 70,636.09 - Step 4: Simplify right side
134,693.25x = 14,275,514,232.79 - Step 5: Solve for x
x = 14,275,514,232.79/134,693.25 - Step 6: Final answer
x = 105,985.37
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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.