Finding the Fourth Proportional to 166,357.12, 229,515.24 and 130,189
Calculator
Solution
The fourth proportional to 166,357.12, 229,515.24 and 130,189 is: 179,615.75
Step by Step Solution
- Step 1: Write the proportion equation
166,357.12 : 229,515.24 = 130,189 : x - Step 2: Convert to fraction form
166,357.12/229,515.24 = 130,189/x - Step 3: Cross multiply
166,357.12x = 229,515.24 × 130,189 - Step 4: Simplify right side
166,357.12x = 29,880,359,580.36 - Step 5: Solve for x
x = 29,880,359,580.36/166,357.12 - Step 6: Final answer
x = 179,615.75
Related Problems
Find fourth proportional to 83,178.56, 114,757.62 and 65,094.50
Half scale
Find fourth proportional to 332,714.24, 459,030.48 and 260,378
Double scale
Find fourth proportional to 166,358.12, 229,516.62 and 130,190
Similar ratio
Find fourth proportional to 249,535.68, 344,272.86 and 195,283.50
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.