Finding the Fourth Proportional to 127,744.95, 190,109.54 and 123,487.99
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Solution
The fourth proportional to 127,744.95, 190,109.54 and 123,487.99 is: 183,774.35
Step by Step Solution
- Step 1: Write the proportion equation
127,744.95 : 190,109.54 = 123,487.99 : x - Step 2: Convert to fraction form
127,744.95/190,109.54 = 123,487.99/x - Step 3: Cross multiply
127,744.95x = 190,109.54 × 123,487.99 - Step 4: Simplify right side
127,744.95x = 23,476,244,974.42 - Step 5: Solve for x
x = 23,476,244,974.42/127,744.95 - Step 6: Final answer
x = 183,774.35
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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.