Finding the Fourth Proportional to 125,513.25, 173,209.50 and 68,925.84
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Solution
The fourth proportional to 125,513.25, 173,209.50 and 68,925.84 is: 95,118.33
Step by Step Solution
- Step 1: Write the proportion equation
125,513.25 : 173,209.50 = 68,925.84 : x - Step 2: Convert to fraction form
125,513.25/173,209.50 = 68,925.84/x - Step 3: Cross multiply
125,513.25x = 173,209.50 × 68,925.84 - Step 4: Simplify right side
125,513.25x = 11,938,610,283.48 - Step 5: Solve for x
x = 11,938,610,283.48/125,513.25 - Step 6: Final answer
x = 95,118.33
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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.