Finding the Fourth Proportional to 126,352.42, 174,369.93 and 68,995.38
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Solution
The fourth proportional to 126,352.42, 174,369.93 and 68,995.38 is: 95,215.59
Step by Step Solution
- Step 1: Write the proportion equation
126,352.42 : 174,369.93 = 68,995.38 : x - Step 2: Convert to fraction form
126,352.42/174,369.93 = 68,995.38/x - Step 3: Cross multiply
126,352.42x = 174,369.93 × 68,995.38 - Step 4: Simplify right side
126,352.42x = 12,030,719,976.08 - Step 5: Solve for x
x = 12,030,719,976.08/126,352.42 - Step 6: Final answer
x = 95,215.59
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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.