Finding the Fourth Proportional to 195,554.68, 269,865.51 and 106,130.68
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Solution
The fourth proportional to 195,554.68, 269,865.51 and 106,130.68 is: 146,460.37
Step by Step Solution
- Step 1: Write the proportion equation
195,554.68 : 269,865.51 = 106,130.68 : x - Step 2: Convert to fraction form
195,554.68/269,865.51 = 106,130.68/x - Step 3: Cross multiply
195,554.68x = 269,865.51 × 106,130.68 - Step 4: Simplify right side
195,554.68x = 28,641,010,084.85 - Step 5: Solve for x
x = 28,641,010,084.85/195,554.68 - Step 6: Final answer
x = 146,460.37
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1.5x scale
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.