Finding the Fourth Proportional to 126,670.68, 174,807.75 and 69,315.02
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Solution
The fourth proportional to 126,670.68, 174,807.75 and 69,315.02 is: 95,655.94
Step by Step Solution
- Step 1: Write the proportion equation
126,670.68 : 174,807.75 = 69,315.02 : x - Step 2: Convert to fraction form
126,670.68/174,807.75 = 69,315.02/x - Step 3: Cross multiply
126,670.68x = 174,807.75 × 69,315.02 - Step 4: Simplify right side
126,670.68x = 12,116,802,728.83 - Step 5: Solve for x
x = 12,116,802,728.83/126,670.68 - Step 6: Final answer
x = 95,655.94
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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.