Finding the Fourth Proportional to 126,756.36, 174,895.20 and 73,029.06
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Solution
The fourth proportional to 126,756.36, 174,895.20 and 73,029.06 is: 100,763.64
Step by Step Solution
- Step 1: Write the proportion equation
126,756.36 : 174,895.20 = 73,029.06 : x - Step 2: Convert to fraction form
126,756.36/174,895.20 = 73,029.06/x - Step 3: Cross multiply
126,756.36x = 174,895.20 × 73,029.06 - Step 4: Simplify right side
126,756.36x = 12,772,432,054.51 - Step 5: Solve for x
x = 12,772,432,054.51/126,756.36 - Step 6: Final answer
x = 100,763.64
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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.