Finding the Fourth Proportional to 119,773.84, 165,362.16 and 84,107.92
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Solution
The fourth proportional to 119,773.84, 165,362.16 and 84,107.92 is: 116,121.08
Step by Step Solution
- Step 1: Write the proportion equation
119,773.84 : 165,362.16 = 84,107.92 : x - Step 2: Convert to fraction form
119,773.84/165,362.16 = 84,107.92/x - Step 3: Cross multiply
119,773.84x = 165,362.16 × 84,107.92 - Step 4: Simplify right side
119,773.84x = 13,908,267,324.31 - Step 5: Solve for x
x = 13,908,267,324.31/119,773.84 - Step 6: Final answer
x = 116,121.08
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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.