Finding the Fourth Proportional to 126,345.26, 174,356.84 and 68,985.08
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Solution
The fourth proportional to 126,345.26, 174,356.84 and 68,985.08 is: 95,199.62
Step by Step Solution
- Step 1: Write the proportion equation
126,345.26 : 174,356.84 = 68,985.08 : x - Step 2: Convert to fraction form
126,345.26/174,356.84 = 68,985.08/x - Step 3: Cross multiply
126,345.26x = 174,356.84 × 68,985.08 - Step 4: Simplify right side
126,345.26x = 12,028,020,646.91 - Step 5: Solve for x
x = 12,028,020,646.91/126,345.26 - Step 6: Final answer
x = 95,199.62
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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.