Finding the Fourth Proportional to 125,302.36, 172,925.13 and 68,713.75
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Solution
The fourth proportional to 125,302.36, 172,925.13 and 68,713.75 is: 94,829.29
Step by Step Solution
- Step 1: Write the proportion equation
125,302.36 : 172,925.13 = 68,713.75 : x - Step 2: Convert to fraction form
125,302.36/172,925.13 = 68,713.75/x - Step 3: Cross multiply
125,302.36x = 172,925.13 × 68,713.75 - Step 4: Simplify right side
125,302.36x = 11,882,334,151.54 - Step 5: Solve for x
x = 11,882,334,151.54/125,302.36 - Step 6: Final answer
x = 94,829.29
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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.