Finding the Fourth Proportional to 134,776.70, 202,136.70 and 68,154.20
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Solution
The fourth proportional to 134,776.70, 202,136.70 and 68,154.20 is: 102,216.96
Step by Step Solution
- Step 1: Write the proportion equation
134,776.70 : 202,136.70 = 68,154.20 : x - Step 2: Convert to fraction form
134,776.70/202,136.70 = 68,154.20/x - Step 3: Cross multiply
134,776.70x = 202,136.70 × 68,154.20 - Step 4: Simplify right side
134,776.70x = 13,776,465,079.14 - Step 5: Solve for x
x = 13,776,465,079.14/134,776.70 - Step 6: Final answer
x = 102,216.96
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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.