Finding the Fourth Proportional to 125,272.58, 172,851.71 and 74,275.79
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Solution
The fourth proportional to 125,272.58, 172,851.71 and 74,275.79 is: 102,486.09
Step by Step Solution
- Step 1: Write the proportion equation
125,272.58 : 172,851.71 = 74,275.79 : x - Step 2: Convert to fraction form
125,272.58/172,851.71 = 74,275.79/x - Step 3: Cross multiply
125,272.58x = 172,851.71 × 74,275.79 - Step 4: Simplify right side
125,272.58x = 12,838,696,077.46 - Step 5: Solve for x
x = 12,838,696,077.46/125,272.58 - Step 6: Final answer
x = 102,486.09
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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.