Finding the Fourth Proportional to 121,235.36, 167,246.84 and 94,192.81
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Solution
The fourth proportional to 121,235.36, 167,246.84 and 94,192.81 is: 129,941.05
Step by Step Solution
- Step 1: Write the proportion equation
121,235.36 : 167,246.84 = 94,192.81 : x - Step 2: Convert to fraction form
121,235.36/167,246.84 = 94,192.81/x - Step 3: Cross multiply
121,235.36x = 167,246.84 × 94,192.81 - Step 4: Simplify right side
121,235.36x = 15,753,449,640.59 - Step 5: Solve for x
x = 15,753,449,640.59/121,235.36 - Step 6: Final answer
x = 129,941.05
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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.