Finding the Fourth Proportional to 133,553.52, 184,312.74 and 76,968.54
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Solution
The fourth proportional to 133,553.52, 184,312.74 and 76,968.54 is: 106,221.70
Step by Step Solution
- Step 1: Write the proportion equation
133,553.52 : 184,312.74 = 76,968.54 : x - Step 2: Convert to fraction form
133,553.52/184,312.74 = 76,968.54/x - Step 3: Cross multiply
133,553.52x = 184,312.74 × 76,968.54 - Step 4: Simplify right side
133,553.52x = 14,186,282,501.20 - Step 5: Solve for x
x = 14,186,282,501.20/133,553.52 - Step 6: Final answer
x = 106,221.70
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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.