Finding the Fourth Proportional to 125,219.08, 172,801.99 and 67,859.99
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Solution
The fourth proportional to 125,219.08, 172,801.99 and 67,859.99 is: 93,646.60
Step by Step Solution
- Step 1: Write the proportion equation
125,219.08 : 172,801.99 = 67,859.99 : x - Step 2: Convert to fraction form
125,219.08/172,801.99 = 67,859.99/x - Step 3: Cross multiply
125,219.08x = 172,801.99 × 67,859.99 - Step 4: Simplify right side
125,219.08x = 11,726,341,313.38 - Step 5: Solve for x
x = 11,726,341,313.38/125,219.08 - Step 6: Final answer
x = 93,646.60
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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.