Finding the Fourth Proportional to 115,375.08, 173,339.10 and 73,903.08
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Solution
The fourth proportional to 115,375.08, 173,339.10 and 73,903.08 is: 111,031.72
Step by Step Solution
- Step 1: Write the proportion equation
115,375.08 : 173,339.10 = 73,903.08 : x - Step 2: Convert to fraction form
115,375.08/173,339.10 = 73,903.08/x - Step 3: Cross multiply
115,375.08x = 173,339.10 × 73,903.08 - Step 4: Simplify right side
115,375.08x = 12,810,293,374.43 - Step 5: Solve for x
x = 12,810,293,374.43/115,375.08 - Step 6: Final answer
x = 111,031.72
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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.