Finding the Fourth Proportional to 126,113.14, 174,030.72 and 68,751.07
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Solution
The fourth proportional to 126,113.14, 174,030.72 and 68,751.07 is: 94,873.53
Step by Step Solution
- Step 1: Write the proportion equation
126,113.14 : 174,030.72 = 68,751.07 : x - Step 2: Convert to fraction form
126,113.14/174,030.72 = 68,751.07/x - Step 3: Cross multiply
126,113.14x = 174,030.72 × 68,751.07 - Step 4: Simplify right side
126,113.14x = 11,964,798,212.87 - Step 5: Solve for x
x = 11,964,798,212.87/126,113.14 - Step 6: Final answer
x = 94,873.53
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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.