Finding the Fourth Proportional to 121,177.31, 167,204.75 and 67,460.96
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Solution
The fourth proportional to 121,177.31, 167,204.75 and 67,460.96 is: 93,085.02
Step by Step Solution
- Step 1: Write the proportion equation
121,177.31 : 167,204.75 = 67,460.96 : x - Step 2: Convert to fraction form
121,177.31/167,204.75 = 67,460.96/x - Step 3: Cross multiply
121,177.31x = 167,204.75 × 67,460.96 - Step 4: Simplify right side
121,177.31x = 11,279,792,614.26 - Step 5: Solve for x
x = 11,279,792,614.26/121,177.31 - Step 6: Final answer
x = 93,085.02
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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.