Finding the Fourth Proportional to 133,445.38, 184,136.45 and 79,718.99
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Solution
The fourth proportional to 133,445.38, 184,136.45 and 79,718.99 is: 110,001.35
Step by Step Solution
- Step 1: Write the proportion equation
133,445.38 : 184,136.45 = 79,718.99 : x - Step 2: Convert to fraction form
133,445.38/184,136.45 = 79,718.99/x - Step 3: Cross multiply
133,445.38x = 184,136.45 × 79,718.99 - Step 4: Simplify right side
133,445.38x = 14,679,171,094.80 - Step 5: Solve for x
x = 14,679,171,094.80/133,445.38 - Step 6: Final answer
x = 110,001.35
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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.