Finding the Fourth Proportional to 134,739.30, 202,275.35 and 84,819.30
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Solution
The fourth proportional to 134,739.30, 202,275.35 and 84,819.30 is: 127,333.70
Step by Step Solution
- Step 1: Write the proportion equation
134,739.30 : 202,275.35 = 84,819.30 : x - Step 2: Convert to fraction form
134,739.30/202,275.35 = 84,819.30/x - Step 3: Cross multiply
134,739.30x = 202,275.35 × 84,819.30 - Step 4: Simplify right side
134,739.30x = 17,156,853,594.26 - Step 5: Solve for x
x = 17,156,853,594.26/134,739.30 - Step 6: Final answer
x = 127,333.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.