Finding the Fourth Proportional to 136,986.96, 205,521.99 and 97,083.09
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Solution
The fourth proportional to 136,986.96, 205,521.99 and 97,083.09 is: 145,654.08
Step by Step Solution
- Step 1: Write the proportion equation
136,986.96 : 205,521.99 = 97,083.09 : x - Step 2: Convert to fraction form
136,986.96/205,521.99 = 97,083.09/x - Step 3: Cross multiply
136,986.96x = 205,521.99 × 97,083.09 - Step 4: Simplify right side
136,986.96x = 19,952,709,852.15 - Step 5: Solve for x
x = 19,952,709,852.15/136,986.96 - Step 6: Final answer
x = 145,654.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.