Finding the Fourth Proportional to 121,525.44, 167,719.60 and 71,224.40
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Solution
The fourth proportional to 121,525.44, 167,719.60 and 71,224.40 is: 98,298.17
Step by Step Solution
- Step 1: Write the proportion equation
121,525.44 : 167,719.60 = 71,224.40 : x - Step 2: Convert to fraction form
121,525.44/167,719.60 = 71,224.40/x - Step 3: Cross multiply
121,525.44x = 167,719.60 × 71,224.40 - Step 4: Simplify right side
121,525.44x = 11,945,727,878.24 - Step 5: Solve for x
x = 11,945,727,878.24/121,525.44 - Step 6: Final answer
x = 98,298.17
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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.