Finding the Fourth Proportional to 121,246.02, 167,324.70 and 67,531.05
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Solution
The fourth proportional to 121,246.02, 167,324.70 and 67,531.05 is: 93,195.74
Step by Step Solution
- Step 1: Write the proportion equation
121,246.02 : 167,324.70 = 67,531.05 : x - Step 2: Convert to fraction form
121,246.02/167,324.70 = 67,531.05/x - Step 3: Cross multiply
121,246.02x = 167,324.70 × 67,531.05 - Step 4: Simplify right side
121,246.02x = 11,299,612,681.94 - Step 5: Solve for x
x = 11,299,612,681.94/121,246.02 - Step 6: Final answer
x = 93,195.74
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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.