Finding the Fourth Proportional to 121,192.41, 167,239.11 and 69,506.84
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Solution
The fourth proportional to 121,192.41, 167,239.11 and 69,506.84 is: 95,915.76
Step by Step Solution
- Step 1: Write the proportion equation
121,192.41 : 167,239.11 = 69,506.84 : x - Step 2: Convert to fraction form
121,192.41/167,239.11 = 69,506.84/x - Step 3: Cross multiply
121,192.41x = 167,239.11 × 69,506.84 - Step 4: Simplify right side
121,192.41x = 11,624,262,060.51 - Step 5: Solve for x
x = 11,624,262,060.51/121,192.41 - Step 6: Final answer
x = 95,915.76
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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.