Finding the Fourth Proportional to 126,315.81, 174,316.05 and 69,727.23
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Solution
The fourth proportional to 126,315.81, 174,316.05 and 69,727.23 is: 96,223.71
Step by Step Solution
- Step 1: Write the proportion equation
126,315.81 : 174,316.05 = 69,727.23 : x - Step 2: Convert to fraction form
126,315.81/174,316.05 = 69,727.23/x - Step 3: Cross multiply
126,315.81x = 174,316.05 × 69,727.23 - Step 4: Simplify right side
126,315.81x = 12,154,575,311.04 - Step 5: Solve for x
x = 12,154,575,311.04/126,315.81 - Step 6: Final answer
x = 96,223.71
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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.