Finding the Fourth Proportional to 126,860.13, 175,066.97 and 76,559.13
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Solution
The fourth proportional to 126,860.13, 175,066.97 and 76,559.13 is: 105,651.59
Step by Step Solution
- Step 1: Write the proportion equation
126,860.13 : 175,066.97 = 76,559.13 : x - Step 2: Convert to fraction form
126,860.13/175,066.97 = 76,559.13/x - Step 3: Cross multiply
126,860.13x = 175,066.97 × 76,559.13 - Step 4: Simplify right side
126,860.13x = 13,402,974,914.94 - Step 5: Solve for x
x = 13,402,974,914.94/126,860.13 - Step 6: Final answer
x = 105,651.59
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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.