Finding the Fourth Proportional to 140,121.95, 210,349.37 and 110,561.00
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Solution
The fourth proportional to 140,121.95, 210,349.37 and 110,561.00 is: 165,972.83
Step by Step Solution
- Step 1: Write the proportion equation
140,121.95 : 210,349.37 = 110,561.00 : x - Step 2: Convert to fraction form
140,121.95/210,349.37 = 110,561.00/x - Step 3: Cross multiply
140,121.95x = 210,349.37 × 110,561.00 - Step 4: Simplify right side
140,121.95x = 23,256,435,921.23 - Step 5: Solve for x
x = 23,256,435,921.23/140,121.95 - Step 6: Final answer
x = 165,972.83
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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.