Finding the Fourth Proportional to 125,330.10, 172,954.35 and 68,741.70
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Solution
The fourth proportional to 125,330.10, 172,954.35 and 68,741.70 is: 94,862.89
Step by Step Solution
- Step 1: Write the proportion equation
125,330.10 : 172,954.35 = 68,741.70 : x - Step 2: Convert to fraction form
125,330.10/172,954.35 = 68,741.70/x - Step 3: Cross multiply
125,330.10x = 172,954.35 × 68,741.70 - Step 4: Simplify right side
125,330.10x = 11,889,176,041.40 - Step 5: Solve for x
x = 11,889,176,041.40/125,330.10 - Step 6: Final answer
x = 94,862.89
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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.