Finding the Fourth Proportional to 134,580.37, 185,721.12 and 73,326.28
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Solution
The fourth proportional to 134,580.37, 185,721.12 and 73,326.28 is: 101,190.38
Step by Step Solution
- Step 1: Write the proportion equation
134,580.37 : 185,721.12 = 73,326.28 : x - Step 2: Convert to fraction form
134,580.37/185,721.12 = 73,326.28/x - Step 3: Cross multiply
134,580.37x = 185,721.12 × 73,326.28 - Step 4: Simplify right side
134,580.37x = 13,618,238,847.03 - Step 5: Solve for x
x = 13,618,238,847.03/134,580.37 - Step 6: Final answer
x = 101,190.38
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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.