Finding the Fourth Proportional to 121,041.21, 167,040.87 and 66,595.62
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Solution
The fourth proportional to 121,041.21, 167,040.87 and 66,595.62 is: 91,904.16
Step by Step Solution
- Step 1: Write the proportion equation
121,041.21 : 167,040.87 = 66,595.62 : x - Step 2: Convert to fraction form
121,041.21/167,040.87 = 66,595.62/x - Step 3: Cross multiply
121,041.21x = 167,040.87 × 66,595.62 - Step 4: Simplify right side
121,041.21x = 11,124,190,302.99 - Step 5: Solve for x
x = 11,124,190,302.99/121,041.21 - Step 6: Final answer
x = 91,904.16
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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.