Finding the Fourth Proportional to 126,206.16, 174,163.68 and 69,616.32
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Solution
The fourth proportional to 126,206.16, 174,163.68 and 69,616.32 is: 96,070.07
Step by Step Solution
- Step 1: Write the proportion equation
126,206.16 : 174,163.68 = 69,616.32 : x - Step 2: Convert to fraction form
126,206.16/174,163.68 = 69,616.32/x - Step 3: Cross multiply
126,206.16x = 174,163.68 × 69,616.32 - Step 4: Simplify right side
126,206.16x = 12,124,634,479.26 - Step 5: Solve for x
x = 12,124,634,479.26/126,206.16 - Step 6: Final answer
x = 96,070.07
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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.