Finding the Fourth Proportional to 115,126.18, 172,370.40 and 58,845.09
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Solution
The fourth proportional to 115,126.18, 172,370.40 and 58,845.09 is: 88,104.65
Step by Step Solution
- Step 1: Write the proportion equation
115,126.18 : 172,370.40 = 58,845.09 : x - Step 2: Convert to fraction form
115,126.18/172,370.40 = 58,845.09/x - Step 3: Cross multiply
115,126.18x = 172,370.40 × 58,845.09 - Step 4: Simplify right side
115,126.18x = 10,143,151,701.34 - Step 5: Solve for x
x = 10,143,151,701.34/115,126.18 - Step 6: Final answer
x = 88,104.65
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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.