Finding the Fourth Proportional to 121,551.56, 167,749.58 and 67,847.08
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Solution
The fourth proportional to 121,551.56, 167,749.58 and 67,847.08 is: 93,633.67
Step by Step Solution
- Step 1: Write the proportion equation
121,551.56 : 167,749.58 = 67,847.08 : x - Step 2: Convert to fraction form
121,551.56/167,749.58 = 67,847.08/x - Step 3: Cross multiply
121,551.56x = 167,749.58 × 67,847.08 - Step 4: Simplify right side
121,551.56x = 11,381,319,174.23 - Step 5: Solve for x
x = 11,381,319,174.23/121,551.56 - Step 6: Final answer
x = 93,633.67
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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.