Finding the Fourth Proportional to 134,208.18, 185,206.77 and 73,782.63
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Solution
The fourth proportional to 134,208.18, 185,206.77 and 73,782.63 is: 101,819.74
Step by Step Solution
- Step 1: Write the proportion equation
134,208.18 : 185,206.77 = 73,782.63 : x - Step 2: Convert to fraction form
134,208.18/185,206.77 = 73,782.63/x - Step 3: Cross multiply
134,208.18x = 185,206.77 × 73,782.63 - Step 4: Simplify right side
134,208.18x = 13,665,042,584.41 - Step 5: Solve for x
x = 13,665,042,584.41/134,208.18 - Step 6: Final answer
x = 101,819.74
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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.