Finding the Fourth Proportional to 111,259.44, 153,558.18 and 70,985.70
Calculator
Solution
The fourth proportional to 111,259.44, 153,558.18 and 70,985.70 is: 97,973.12
Step by Step Solution
- Step 1: Write the proportion equation
111,259.44 : 153,558.18 = 70,985.70 : x - Step 2: Convert to fraction form
111,259.44/153,558.18 = 70,985.70/x - Step 3: Cross multiply
111,259.44x = 153,558.18 × 70,985.70 - Step 4: Simplify right side
111,259.44x = 10,900,434,898.03 - Step 5: Solve for x
x = 10,900,434,898.03/111,259.44 - Step 6: Final answer
x = 97,973.12
Related Problems
Find fourth proportional to 55,629.72, 76,779.09 and 35,492.85
Half scale
Find fourth proportional to 222,518.88, 307,116.36 and 141,971.40
Double scale
Find fourth proportional to 111,260.44, 153,559.56 and 70,986.70
Similar ratio
Find fourth proportional to 166,889.16, 230,337.27 and 106,478.55
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.