Finding the Fourth Proportional to 130,454.44, 195,456.99 and 101,980.31
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Solution
The fourth proportional to 130,454.44, 195,456.99 and 101,980.31 is: 152,794.83
Step by Step Solution
- Step 1: Write the proportion equation
130,454.44 : 195,456.99 = 101,980.31 : x - Step 2: Convert to fraction form
130,454.44/195,456.99 = 101,980.31/x - Step 3: Cross multiply
130,454.44x = 195,456.99 × 101,980.31 - Step 4: Simplify right side
130,454.44x = 19,932,764,431.87 - Step 5: Solve for x
x = 19,932,764,431.87/130,454.44 - Step 6: Final answer
x = 152,794.83
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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.