Finding the Fourth Proportional to 126,134.13, 174,066.45 and 68,772.99
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Solution
The fourth proportional to 126,134.13, 174,066.45 and 68,772.99 is: 94,907.46
Step by Step Solution
- Step 1: Write the proportion equation
126,134.13 : 174,066.45 = 68,772.99 : x - Step 2: Convert to fraction form
126,134.13/174,066.45 = 68,772.99/x - Step 3: Cross multiply
126,134.13x = 174,066.45 × 68,772.99 - Step 4: Simplify right side
126,134.13x = 11,971,070,225.19 - Step 5: Solve for x
x = 11,971,070,225.19/126,134.13 - Step 6: Final answer
x = 94,907.46
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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.