Finding the Fourth Proportional to 156,559.68, 216,050.42 and 84,939.18
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Solution
The fourth proportional to 156,559.68, 216,050.42 and 84,939.18 is: 117,215.02
Step by Step Solution
- Step 1: Write the proportion equation
156,559.68 : 216,050.42 = 84,939.18 : x - Step 2: Convert to fraction form
156,559.68/216,050.42 = 84,939.18/x - Step 3: Cross multiply
156,559.68x = 216,050.42 × 84,939.18 - Step 4: Simplify right side
156,559.68x = 18,351,145,513.46 - Step 5: Solve for x
x = 18,351,145,513.46/156,559.68 - Step 6: Final answer
x = 117,215.02
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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.