Finding the Fourth Proportional to 121,526.91, 167,742.33 and 70,551.09
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Solution
The fourth proportional to 121,526.91, 167,742.33 and 70,551.09 is: 97,380.94
Step by Step Solution
- Step 1: Write the proportion equation
121,526.91 : 167,742.33 = 70,551.09 : x - Step 2: Convert to fraction form
121,526.91/167,742.33 = 70,551.09/x - Step 3: Cross multiply
121,526.91x = 167,742.33 × 70,551.09 - Step 4: Simplify right side
121,526.91x = 11,834,404,220.64 - Step 5: Solve for x
x = 11,834,404,220.64/121,526.91 - Step 6: Final answer
x = 97,380.94
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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.