Finding the Fourth Proportional to 119,562.36, 164,990.73 and 68,538.51
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Solution
The fourth proportional to 119,562.36, 164,990.73 and 68,538.51 is: 94,580.09
Step by Step Solution
- Step 1: Write the proportion equation
119,562.36 : 164,990.73 = 68,538.51 : x - Step 2: Convert to fraction form
119,562.36/164,990.73 = 68,538.51/x - Step 3: Cross multiply
119,562.36x = 164,990.73 × 68,538.51 - Step 4: Simplify right side
119,562.36x = 11,308,217,973.06 - Step 5: Solve for x
x = 11,308,217,973.06/119,562.36 - Step 6: Final answer
x = 94,580.09
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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.