Finding the Fourth Proportional to 122,551.82, 169,101.68 and 76,606.08
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Solution
The fourth proportional to 122,551.82, 169,101.68 and 76,606.08 is: 105,704.00
Step by Step Solution
- Step 1: Write the proportion equation
122,551.82 : 169,101.68 = 76,606.08 : x - Step 2: Convert to fraction form
122,551.82/169,101.68 = 76,606.08/x - Step 3: Cross multiply
122,551.82x = 169,101.68 × 76,606.08 - Step 4: Simplify right side
122,551.82x = 12,954,216,443.18 - Step 5: Solve for x
x = 12,954,216,443.18/122,551.82 - Step 6: Final answer
x = 105,704.00
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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.