Finding the Fourth Proportional to 126,451.73, 174,501.36 and 69,089.83
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Solution
The fourth proportional to 126,451.73, 174,501.36 and 69,089.83 is: 95,342.85
Step by Step Solution
- Step 1: Write the proportion equation
126,451.73 : 174,501.36 = 69,089.83 : x - Step 2: Convert to fraction form
126,451.73/174,501.36 = 69,089.83/x - Step 3: Cross multiply
126,451.73x = 174,501.36 × 69,089.83 - Step 4: Simplify right side
126,451.73x = 12,056,268,860.92 - Step 5: Solve for x
x = 12,056,268,860.92/126,451.73 - Step 6: Final answer
x = 95,342.85
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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.