Finding the Fourth Proportional to 125,513.70, 173,208.86 and 68,925.06
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Solution
The fourth proportional to 125,513.70, 173,208.86 and 68,925.06 is: 95,116.56
Step by Step Solution
- Step 1: Write the proportion equation
125,513.70 : 173,208.86 = 68,925.06 : x - Step 2: Convert to fraction form
125,513.70/173,208.86 = 68,925.06/x - Step 3: Cross multiply
125,513.70x = 173,208.86 × 68,925.06 - Step 4: Simplify right side
125,513.70x = 11,938,431,068.03 - Step 5: Solve for x
x = 11,938,431,068.03/125,513.70 - Step 6: Final answer
x = 95,116.56
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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.