Finding the Fourth Proportional to 135,076.65, 186,406.35 and 73,824.08
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Solution
The fourth proportional to 135,076.65, 186,406.35 and 73,824.08 is: 101,877.55
Step by Step Solution
- Step 1: Write the proportion equation
135,076.65 : 186,406.35 = 73,824.08 : x - Step 2: Convert to fraction form
135,076.65/186,406.35 = 73,824.08/x - Step 3: Cross multiply
135,076.65x = 186,406.35 × 73,824.08 - Step 4: Simplify right side
135,076.65x = 13,761,278,281.73 - Step 5: Solve for x
x = 13,761,278,281.73/135,076.65 - Step 6: Final answer
x = 101,877.55
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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.