Finding the Fourth Proportional to 126,150.36, 174,129.68 and 75,179.08
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Solution
The fourth proportional to 126,150.36, 174,129.68 and 75,179.08 is: 103,772.27
Step by Step Solution
- Step 1: Write the proportion equation
126,150.36 : 174,129.68 = 75,179.08 : x - Step 2: Convert to fraction form
126,150.36/174,129.68 = 75,179.08/x - Step 3: Cross multiply
126,150.36x = 174,129.68 × 75,179.08 - Step 4: Simplify right side
126,150.36x = 13,090,909,143.09 - Step 5: Solve for x
x = 13,090,909,143.09/126,150.36 - Step 6: Final answer
x = 103,772.27
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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.