Finding the Fourth Proportional to 119,449.18, 164,754.93 and 98,966.62
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Solution
The fourth proportional to 119,449.18, 164,754.93 and 98,966.62 is: 136,503.56
Step by Step Solution
- Step 1: Write the proportion equation
119,449.18 : 164,754.93 = 98,966.62 : x - Step 2: Convert to fraction form
119,449.18/164,754.93 = 98,966.62/x - Step 3: Cross multiply
119,449.18x = 164,754.93 × 98,966.62 - Step 4: Simplify right side
119,449.18x = 16,305,238,550.44 - Step 5: Solve for x
x = 16,305,238,550.44/119,449.18 - Step 6: Final answer
x = 136,503.56
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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.