Finding the Fourth Proportional to 133,916.63, 184,832.30 and 77,320.31
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Solution
The fourth proportional to 133,916.63, 184,832.30 and 77,320.31 is: 106,717.82
Step by Step Solution
- Step 1: Write the proportion equation
133,916.63 : 184,832.30 = 77,320.31 : x - Step 2: Convert to fraction form
133,916.63/184,832.30 = 77,320.31/x - Step 3: Cross multiply
133,916.63x = 184,832.30 × 77,320.31 - Step 4: Simplify right side
133,916.63x = 14,291,290,347.41 - Step 5: Solve for x
x = 14,291,290,347.41/133,916.63 - Step 6: Final answer
x = 106,717.82
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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.