Finding the Fourth Proportional to 125,417.16, 173,014.02 and 91,372.68
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Solution
The fourth proportional to 125,417.16, 173,014.02 and 91,372.68 is: 126,049.38
Step by Step Solution
- Step 1: Write the proportion equation
125,417.16 : 173,014.02 = 91,372.68 : x - Step 2: Convert to fraction form
125,417.16/173,014.02 = 91,372.68/x - Step 3: Cross multiply
125,417.16x = 173,014.02 × 91,372.68 - Step 4: Simplify right side
125,417.16x = 15,808,754,684.97 - Step 5: Solve for x
x = 15,808,754,684.97/125,417.16 - Step 6: Final answer
x = 126,049.38
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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.