Finding the Fourth Proportional to 192,120.76, 265,125.99 and 107,237.08
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Solution
The fourth proportional to 192,120.76, 265,125.99 and 107,237.08 is: 147,986.80
Step by Step Solution
- Step 1: Write the proportion equation
192,120.76 : 265,125.99 = 107,237.08 : x - Step 2: Convert to fraction form
192,120.76/265,125.99 = 107,237.08/x - Step 3: Cross multiply
192,120.76x = 265,125.99 × 107,237.08 - Step 4: Simplify right side
192,120.76x = 28,431,336,999.71 - Step 5: Solve for x
x = 28,431,336,999.71/192,120.76 - Step 6: Final answer
x = 147,986.80
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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.