Finding the Fourth Proportional to 133,673.44, 184,457.08 and 77,073.88
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Solution
The fourth proportional to 133,673.44, 184,457.08 and 77,073.88 is: 106,354.88
Step by Step Solution
- Step 1: Write the proportion equation
133,673.44 : 184,457.08 = 77,073.88 : x - Step 2: Convert to fraction form
133,673.44/184,457.08 = 77,073.88/x - Step 3: Cross multiply
133,673.44x = 184,457.08 × 77,073.88 - Step 4: Simplify right side
133,673.44x = 14,216,822,849.07 - Step 5: Solve for x
x = 14,216,822,849.07/133,673.44 - Step 6: Final answer
x = 106,354.88
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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.