Finding the Fourth Proportional to 125,580.98, 173,298.84 and 68,219.01
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Solution
The fourth proportional to 125,580.98, 173,298.84 and 68,219.01 is: 94,140.65
Step by Step Solution
- Step 1: Write the proportion equation
125,580.98 : 173,298.84 = 68,219.01 : x - Step 2: Convert to fraction form
125,580.98/173,298.84 = 68,219.01/x - Step 3: Cross multiply
125,580.98x = 173,298.84 × 68,219.01 - Step 4: Simplify right side
125,580.98x = 11,822,275,298.95 - Step 5: Solve for x
x = 11,822,275,298.95/125,580.98 - Step 6: Final answer
x = 94,140.65
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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.