Finding the Fourth Proportional to 121,903.03, 168,240.14 and 68,201.65
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Solution
The fourth proportional to 121,903.03, 168,240.14 and 68,201.65 is: 94,126.09
Step by Step Solution
- Step 1: Write the proportion equation
121,903.03 : 168,240.14 = 68,201.65 : x - Step 2: Convert to fraction form
121,903.03/168,240.14 = 68,201.65/x - Step 3: Cross multiply
121,903.03x = 168,240.14 × 68,201.65 - Step 4: Simplify right side
121,903.03x = 11,474,255,144.23 - Step 5: Solve for x
x = 11,474,255,144.23/121,903.03 - Step 6: Final answer
x = 94,126.09
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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.