Finding the Fourth Proportional to 127,840.68, 192,502.71 and 94,794.84
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Solution
The fourth proportional to 127,840.68, 192,502.71 and 94,794.84 is: 142,742.23
Step by Step Solution
- Step 1: Write the proportion equation
127,840.68 : 192,502.71 = 94,794.84 : x - Step 2: Convert to fraction form
127,840.68/192,502.71 = 94,794.84/x - Step 3: Cross multiply
127,840.68x = 192,502.71 × 94,794.84 - Step 4: Simplify right side
127,840.68x = 18,248,263,594.02 - Step 5: Solve for x
x = 18,248,263,594.02/127,840.68 - Step 6: Final answer
x = 142,742.23
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.