Finding the Fourth Proportional to 125,324.68, 172,948.11 and 67,963.98
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Solution
The fourth proportional to 125,324.68, 172,948.11 and 67,963.98 is: 93,790.32
Step by Step Solution
- Step 1: Write the proportion equation
125,324.68 : 172,948.11 = 67,963.98 : x - Step 2: Convert to fraction form
125,324.68/172,948.11 = 67,963.98/x - Step 3: Cross multiply
125,324.68x = 172,948.11 × 67,963.98 - Step 4: Simplify right side
125,324.68x = 11,754,241,889.08 - Step 5: Solve for x
x = 11,754,241,889.08/125,324.68 - Step 6: Final answer
x = 93,790.32
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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.