Finding the Fourth Proportional to 129,266.04, 193,794.45 and 58,136.58
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Solution
The fourth proportional to 129,266.04, 193,794.45 and 58,136.58 is: 87,157.82
Step by Step Solution
- Step 1: Write the proportion equation
129,266.04 : 193,794.45 = 58,136.58 : x - Step 2: Convert to fraction form
129,266.04/193,794.45 = 58,136.58/x - Step 3: Cross multiply
129,266.04x = 193,794.45 × 58,136.58 - Step 4: Simplify right side
129,266.04x = 11,266,546,545.98 - Step 5: Solve for x
x = 11,266,546,545.98/129,266.04 - Step 6: Final answer
x = 87,157.82
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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.