Finding the Fourth Proportional to 192,130.65, 265,139.27 and 111,577.97
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Solution
The fourth proportional to 192,130.65, 265,139.27 and 111,577.97 is: 153,976.99
Step by Step Solution
- Step 1: Write the proportion equation
192,130.65 : 265,139.27 = 111,577.97 : x - Step 2: Convert to fraction form
192,130.65/265,139.27 = 111,577.97/x - Step 3: Cross multiply
192,130.65x = 265,139.27 × 111,577.97 - Step 4: Simplify right side
192,130.65x = 29,583,699,630.30 - Step 5: Solve for x
x = 29,583,699,630.30/192,130.65 - Step 6: Final answer
x = 153,976.99
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1.5x scale
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.