Finding the Fourth Proportional to 133,553.08, 184,320.87 and 76,179.26
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Solution
The fourth proportional to 133,553.08, 184,320.87 and 76,179.26 is: 105,137.43
Step by Step Solution
- Step 1: Write the proportion equation
133,553.08 : 184,320.87 = 76,179.26 : x - Step 2: Convert to fraction form
133,553.08/184,320.87 = 76,179.26/x - Step 3: Cross multiply
133,553.08x = 184,320.87 × 76,179.26 - Step 4: Simplify right side
133,553.08x = 14,041,427,135.88 - Step 5: Solve for x
x = 14,041,427,135.88/133,553.08 - Step 6: Final answer
x = 105,137.43
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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.