Finding the Fourth Proportional to 133,620.84, 184,391.36 and 79,935.54
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Solution
The fourth proportional to 133,620.84, 184,391.36 and 79,935.54 is: 110,307.82
Step by Step Solution
- Step 1: Write the proportion equation
133,620.84 : 184,391.36 = 79,935.54 : x - Step 2: Convert to fraction form
133,620.84/184,391.36 = 79,935.54/x - Step 3: Cross multiply
133,620.84x = 184,391.36 × 79,935.54 - Step 4: Simplify right side
133,620.84x = 14,739,422,932.93 - Step 5: Solve for x
x = 14,739,422,932.93/133,620.84 - Step 6: Final answer
x = 110,307.82
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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.