Finding the Fourth Proportional to 134,694.69, 185,879.97 and 74,267.70
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Solution
The fourth proportional to 134,694.69, 185,879.97 and 74,267.70 is: 102,490.14
Step by Step Solution
- Step 1: Write the proportion equation
134,694.69 : 185,879.97 = 74,267.70 : x - Step 2: Convert to fraction form
134,694.69/185,879.97 = 74,267.70/x - Step 3: Cross multiply
134,694.69x = 185,879.97 × 74,267.70 - Step 4: Simplify right side
134,694.69x = 13,804,877,847.97 - Step 5: Solve for x
x = 13,804,877,847.97/134,694.69 - Step 6: Final answer
x = 102,490.14
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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.