Finding the Fourth Proportional to 126,174.08, 174,117.12 and 69,584.32
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Solution
The fourth proportional to 126,174.08, 174,117.12 and 69,584.32 is: 96,024.65
Step by Step Solution
- Step 1: Write the proportion equation
126,174.08 : 174,117.12 = 69,584.32 : x - Step 2: Convert to fraction form
126,174.08/174,117.12 = 69,584.32/x - Step 3: Cross multiply
126,174.08x = 174,117.12 × 69,584.32 - Step 4: Simplify right side
126,174.08x = 12,115,821,395.56 - Step 5: Solve for x
x = 12,115,821,395.56/126,174.08 - Step 6: Final answer
x = 96,024.65
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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.