Finding the Fourth Proportional to 125,296.56, 172,909.08 and 68,707.92
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Solution
The fourth proportional to 125,296.56, 172,909.08 and 68,707.92 is: 94,816.83
Step by Step Solution
- Step 1: Write the proportion equation
125,296.56 : 172,909.08 = 68,707.92 : x - Step 2: Convert to fraction form
125,296.56/172,909.08 = 68,707.92/x - Step 3: Cross multiply
125,296.56x = 172,909.08 × 68,707.92 - Step 4: Simplify right side
125,296.56x = 11,880,223,235.91 - Step 5: Solve for x
x = 11,880,223,235.91/125,296.56 - Step 6: Final answer
x = 94,816.83
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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.