Finding the Fourth Proportional to 97,863.02, 135,116.02 and 75,161.44
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Solution
The fourth proportional to 97,863.02, 135,116.02 and 75,161.44 is: 103,772.75
Step by Step Solution
- Step 1: Write the proportion equation
97,863.02 : 135,116.02 = 75,161.44 : x - Step 2: Convert to fraction form
97,863.02/135,116.02 = 75,161.44/x - Step 3: Cross multiply
97,863.02x = 135,116.02 × 75,161.44 - Step 4: Simplify right side
97,863.02x = 10,155,514,630.27 - Step 5: Solve for x
x = 10,155,514,630.27/97,863.02 - Step 6: Final answer
x = 103,772.75
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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.