Finding the Fourth Proportional to 121,256.19, 167,338.62 and 67,541.13
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Solution
The fourth proportional to 121,256.19, 167,338.62 and 67,541.13 is: 93,209.59
Step by Step Solution
- Step 1: Write the proportion equation
121,256.19 : 167,338.62 = 67,541.13 : x - Step 2: Convert to fraction form
121,256.19/167,338.62 = 67,541.13/x - Step 3: Cross multiply
121,256.19x = 167,338.62 × 67,541.13 - Step 4: Simplify right side
121,256.19x = 11,302,239,487.44 - Step 5: Solve for x
x = 11,302,239,487.44/121,256.19 - Step 6: Final answer
x = 93,209.59
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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.