Finding the Fourth Proportional to 130,743.61, 196,220.49 and 67,582.23
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Solution
The fourth proportional to 130,743.61, 196,220.49 and 67,582.23 is: 101,427.65
Step by Step Solution
- Step 1: Write the proportion equation
130,743.61 : 196,220.49 = 67,582.23 : x - Step 2: Convert to fraction form
130,743.61/196,220.49 = 67,582.23/x - Step 3: Cross multiply
130,743.61x = 196,220.49 × 67,582.23 - Step 4: Simplify right side
130,743.61x = 13,261,017,135.83 - Step 5: Solve for x
x = 13,261,017,135.83/130,743.61 - Step 6: Final answer
x = 101,427.65
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1.5x scale
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.