Finding the Fourth Proportional to 125,733.12, 173,506.88 and 69,141.12
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Solution
The fourth proportional to 125,733.12, 173,506.88 and 69,141.12 is: 95,412.09
Step by Step Solution
- Step 1: Write the proportion equation
125,733.12 : 173,506.88 = 69,141.12 : x - Step 2: Convert to fraction form
125,733.12/173,506.88 = 69,141.12/x - Step 3: Cross multiply
125,733.12x = 173,506.88 × 69,141.12 - Step 4: Simplify right side
125,733.12x = 11,996,460,010.91 - Step 5: Solve for x
x = 11,996,460,010.91/125,733.12 - Step 6: Final answer
x = 95,412.09
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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.