Finding the Fourth Proportional to 129,147.08, 192,590.52 and 127,966.08
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Solution
The fourth proportional to 129,147.08, 192,590.52 and 127,966.08 is: 190,829.35
Step by Step Solution
- Step 1: Write the proportion equation
129,147.08 : 192,590.52 = 127,966.08 : x - Step 2: Convert to fraction form
129,147.08/192,590.52 = 127,966.08/x - Step 3: Cross multiply
129,147.08x = 192,590.52 × 127,966.08 - Step 4: Simplify right side
129,147.08x = 24,645,053,889.56 - Step 5: Solve for x
x = 24,645,053,889.56/129,147.08 - Step 6: Final answer
x = 190,829.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.