Finding the Fourth Proportional to 121,765.08, 168,034.14 and 68,050.92
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Solution
The fourth proportional to 121,765.08, 168,034.14 and 68,050.92 is: 93,909.34
Step by Step Solution
- Step 1: Write the proportion equation
121,765.08 : 168,034.14 = 68,050.92 : x - Step 2: Convert to fraction form
121,765.08/168,034.14 = 68,050.92/x - Step 3: Cross multiply
121,765.08x = 168,034.14 × 68,050.92 - Step 4: Simplify right side
121,765.08x = 11,434,877,818.41 - Step 5: Solve for x
x = 11,434,877,818.41/121,765.08 - Step 6: Final answer
x = 93,909.34
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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.