Finding the Fourth Proportional to 134,196.21, 185,190.80 and 73,770.75
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Solution
The fourth proportional to 134,196.21, 185,190.80 and 73,770.75 is: 101,803.65
Step by Step Solution
- Step 1: Write the proportion equation
134,196.21 : 185,190.80 = 73,770.75 : x - Step 2: Convert to fraction form
134,196.21/185,190.80 = 73,770.75/x - Step 3: Cross multiply
134,196.21x = 185,190.80 × 73,770.75 - Step 4: Simplify right side
134,196.21x = 13,661,664,209.10 - Step 5: Solve for x
x = 13,661,664,209.10/134,196.21 - Step 6: Final answer
x = 101,803.65
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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.