Finding the Fourth Proportional to 156,749.24, 235,163.64 and 72,570.08
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Solution
The fourth proportional to 156,749.24, 235,163.64 and 72,570.08 is: 108,873.54
Step by Step Solution
- Step 1: Write the proportion equation
156,749.24 : 235,163.64 = 72,570.08 : x - Step 2: Convert to fraction form
156,749.24/235,163.64 = 72,570.08/x - Step 3: Cross multiply
156,749.24x = 235,163.64 × 72,570.08 - Step 4: Simplify right side
156,749.24x = 17,065,844,167.89 - Step 5: Solve for x
x = 17,065,844,167.89/156,749.24 - Step 6: Final answer
x = 108,873.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.