Finding the Fourth Proportional to 133,569.88, 184,324.68 and 76,207.72
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Solution
The fourth proportional to 133,569.88, 184,324.68 and 76,207.72 is: 105,165.65
Step by Step Solution
- Step 1: Write the proportion equation
133,569.88 : 184,324.68 = 76,207.72 : x - Step 2: Convert to fraction form
133,569.88/184,324.68 = 76,207.72/x - Step 3: Cross multiply
133,569.88x = 184,324.68 × 76,207.72 - Step 4: Simplify right side
133,569.88x = 14,046,963,602.53 - Step 5: Solve for x
x = 14,046,963,602.53/133,569.88 - Step 6: Final answer
x = 105,165.65
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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.