Finding the Fourth Proportional to 133,968.78, 184,879.26 and 73,545.12
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Solution
The fourth proportional to 133,968.78, 184,879.26 and 73,545.12 is: 101,493.55
Step by Step Solution
- Step 1: Write the proportion equation
133,968.78 : 184,879.26 = 73,545.12 : x - Step 2: Convert to fraction form
133,968.78/184,879.26 = 73,545.12/x - Step 3: Cross multiply
133,968.78x = 184,879.26 × 73,545.12 - Step 4: Simplify right side
133,968.78x = 13,596,967,362.21 - Step 5: Solve for x
x = 13,596,967,362.21/133,968.78 - Step 6: Final answer
x = 101,493.55
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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.