Finding the Fourth Proportional to 121,252.71, 167,302.35 and 73,517.79
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Solution
The fourth proportional to 121,252.71, 167,302.35 and 73,517.79 is: 101,438.55
Step by Step Solution
- Step 1: Write the proportion equation
121,252.71 : 167,302.35 = 73,517.79 : x - Step 2: Convert to fraction form
121,252.71/167,302.35 = 73,517.79/x - Step 3: Cross multiply
121,252.71x = 167,302.35 × 73,517.79 - Step 4: Simplify right side
121,252.71x = 12,299,699,033.81 - Step 5: Solve for x
x = 12,299,699,033.81/121,252.71 - Step 6: Final answer
x = 101,438.55
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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.