Finding the Fourth Proportional to 126,818.80, 175,005.30 and 73,106.08
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Solution
The fourth proportional to 126,818.80, 175,005.30 and 73,106.08 is: 100,883.71
Step by Step Solution
- Step 1: Write the proportion equation
126,818.80 : 175,005.30 = 73,106.08 : x - Step 2: Convert to fraction form
126,818.80/175,005.30 = 73,106.08/x - Step 3: Cross multiply
126,818.80x = 175,005.30 × 73,106.08 - Step 4: Simplify right side
126,818.80x = 12,793,951,462.22 - Step 5: Solve for x
x = 12,793,951,462.22/126,818.80 - Step 6: Final answer
x = 100,883.71
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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.