Finding the Fourth Proportional to 125,214.08, 172,795.10 and 67,854.98
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Solution
The fourth proportional to 125,214.08, 172,795.10 and 67,854.98 is: 93,639.70
Step by Step Solution
- Step 1: Write the proportion equation
125,214.08 : 172,795.10 = 67,854.98 : x - Step 2: Convert to fraction form
125,214.08/172,795.10 = 67,854.98/x - Step 3: Cross multiply
125,214.08x = 172,795.10 × 67,854.98 - Step 4: Simplify right side
125,214.08x = 11,725,008,147.31 - Step 5: Solve for x
x = 11,725,008,147.31/125,214.08 - Step 6: Final answer
x = 93,639.70
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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.