Finding the Fourth Proportional to 128,173.72, 192,260.58 and 93,335.08
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Solution
The fourth proportional to 128,173.72, 192,260.58 and 93,335.08 is: 140,002.62
Step by Step Solution
- Step 1: Write the proportion equation
128,173.72 : 192,260.58 = 93,335.08 : x - Step 2: Convert to fraction form
128,173.72/192,260.58 = 93,335.08/x - Step 3: Cross multiply
128,173.72x = 192,260.58 × 93,335.08 - Step 4: Simplify right side
128,173.72x = 17,944,656,615.15 - Step 5: Solve for x
x = 17,944,656,615.15/128,173.72 - Step 6: Final answer
x = 140,002.62
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1.5x scale
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.