Finding the Fourth Proportional to 127,520.24, 175,698.87 and 84,426.62
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Solution
The fourth proportional to 127,520.24, 175,698.87 and 84,426.62 is: 116,323.98
Step by Step Solution
- Step 1: Write the proportion equation
127,520.24 : 175,698.87 = 84,426.62 : x - Step 2: Convert to fraction form
127,520.24/175,698.87 = 84,426.62/x - Step 3: Cross multiply
127,520.24x = 175,698.87 × 84,426.62 - Step 4: Simplify right side
127,520.24x = 14,833,661,731.92 - Step 5: Solve for x
x = 14,833,661,731.92/127,520.24 - Step 6: Final answer
x = 116,323.98
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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.