Finding the Fourth Proportional to 134,630.62, 185,782.67 and 74,201.08
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Solution
The fourth proportional to 134,630.62, 185,782.67 and 74,201.08 is: 102,393.30
Step by Step Solution
- Step 1: Write the proportion equation
134,630.62 : 185,782.67 = 74,201.08 : x - Step 2: Convert to fraction form
134,630.62/185,782.67 = 74,201.08/x - Step 3: Cross multiply
134,630.62x = 185,782.67 × 74,201.08 - Step 4: Simplify right side
134,630.62x = 13,785,273,459.36 - Step 5: Solve for x
x = 13,785,273,459.36/134,630.62 - Step 6: Final answer
x = 102,393.30
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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.