Finding the Fourth Proportional to 124,941.25, 172,418.97 and 68,353.84
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Solution
The fourth proportional to 124,941.25, 172,418.97 and 68,353.84 is: 94,328.32
Step by Step Solution
- Step 1: Write the proportion equation
124,941.25 : 172,418.97 = 68,353.84 : x - Step 2: Convert to fraction form
124,941.25/172,418.97 = 68,353.84/x - Step 3: Cross multiply
124,941.25x = 172,418.97 × 68,353.84 - Step 4: Simplify right side
124,941.25x = 11,785,498,688.34 - Step 5: Solve for x
x = 11,785,498,688.34/124,941.25 - Step 6: Final answer
x = 94,328.32
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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.