Finding the Fourth Proportional to 119,409.54, 164,808.71 and 68,456.49
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Solution
The fourth proportional to 119,409.54, 164,808.71 and 68,456.49 is: 94,483.45
Step by Step Solution
- Step 1: Write the proportion equation
119,409.54 : 164,808.71 = 68,456.49 : x - Step 2: Convert to fraction form
119,409.54/164,808.71 = 68,456.49/x - Step 3: Cross multiply
119,409.54x = 164,808.71 × 68,456.49 - Step 4: Simplify right side
119,409.54x = 11,282,225,465.75 - Step 5: Solve for x
x = 11,282,225,465.75/119,409.54 - Step 6: Final answer
x = 94,483.45
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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.