Finding the Fourth Proportional to 134,995.68, 202,515.80 and 56,115.45
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Solution
The fourth proportional to 134,995.68, 202,515.80 and 56,115.45 is: 84,182.43
Step by Step Solution
- Step 1: Write the proportion equation
134,995.68 : 202,515.80 = 56,115.45 : x - Step 2: Convert to fraction form
134,995.68/202,515.80 = 56,115.45/x - Step 3: Cross multiply
134,995.68x = 202,515.80 × 56,115.45 - Step 4: Simplify right side
134,995.68x = 11,364,264,968.53 - Step 5: Solve for x
x = 11,364,264,968.53/134,995.68 - Step 6: Final answer
x = 84,182.43
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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.