Finding the Fourth Proportional to 125,974.68, 173,845.06 and 69,386.06
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Solution
The fourth proportional to 125,974.68, 173,845.06 and 69,386.06 is: 95,752.76
Step by Step Solution
- Step 1: Write the proportion equation
125,974.68 : 173,845.06 = 69,386.06 : x - Step 2: Convert to fraction form
125,974.68/173,845.06 = 69,386.06/x - Step 3: Cross multiply
125,974.68x = 173,845.06 × 69,386.06 - Step 4: Simplify right side
125,974.68x = 12,062,422,721.17 - Step 5: Solve for x
x = 12,062,422,721.17/125,974.68 - Step 6: Final answer
x = 95,752.76
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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.