Finding the Fourth Proportional to 124,750.26, 172,153.35 and 68,160.42
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Solution
The fourth proportional to 124,750.26, 172,153.35 and 68,160.42 is: 94,060.28
Step by Step Solution
- Step 1: Write the proportion equation
124,750.26 : 172,153.35 = 68,160.42 : x - Step 2: Convert to fraction form
124,750.26/172,153.35 = 68,160.42/x - Step 3: Cross multiply
124,750.26x = 172,153.35 × 68,160.42 - Step 4: Simplify right side
124,750.26x = 11,734,044,640.41 - Step 5: Solve for x
x = 11,734,044,640.41/124,750.26 - Step 6: Final answer
x = 94,060.28
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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.