Finding the Fourth Proportional to 135,201.66, 186,570.95 and 74,768.77
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Solution
The fourth proportional to 135,201.66, 186,570.95 and 74,768.77 is: 103,176.84
Step by Step Solution
- Step 1: Write the proportion equation
135,201.66 : 186,570.95 = 74,768.77 : x - Step 2: Convert to fraction form
135,201.66/186,570.95 = 74,768.77/x - Step 3: Cross multiply
135,201.66x = 186,570.95 × 74,768.77 - Step 4: Simplify right side
135,201.66x = 13,949,680,308.60 - Step 5: Solve for x
x = 13,949,680,308.60/135,201.66 - Step 6: Final answer
x = 103,176.84
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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.