Finding the Fourth Proportional to 127,975.68, 191,963.16 and 44,869.68
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Solution
The fourth proportional to 127,975.68, 191,963.16 and 44,869.68 is: 67,304.39
Step by Step Solution
- Step 1: Write the proportion equation
127,975.68 : 191,963.16 = 44,869.68 : x - Step 2: Convert to fraction form
127,975.68/191,963.16 = 44,869.68/x - Step 3: Cross multiply
127,975.68x = 191,963.16 × 44,869.68 - Step 4: Simplify right side
127,975.68x = 8,613,325,560.99 - Step 5: Solve for x
x = 8,613,325,560.99/127,975.68 - Step 6: Final answer
x = 67,304.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.