Finding the Fourth Proportional to 125,126.10, 172,674.36 and 68,537.52
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Solution
The fourth proportional to 125,126.10, 172,674.36 and 68,537.52 is: 94,581.96
Step by Step Solution
- Step 1: Write the proportion equation
125,126.10 : 172,674.36 = 68,537.52 : x - Step 2: Convert to fraction form
125,126.10/172,674.36 = 68,537.52/x - Step 3: Cross multiply
125,126.10x = 172,674.36 × 68,537.52 - Step 4: Simplify right side
125,126.10x = 11,834,672,401.99 - Step 5: Solve for x
x = 11,834,672,401.99/125,126.10 - Step 6: Final answer
x = 94,581.96
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1.5x scale
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.