Finding the Fourth Proportional to 133,768.73, 184,602.35 and 76,415.65
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Solution
The fourth proportional to 133,768.73, 184,602.35 and 76,415.65 is: 105,454.45
Step by Step Solution
- Step 1: Write the proportion equation
133,768.73 : 184,602.35 = 76,415.65 : x - Step 2: Convert to fraction form
133,768.73/184,602.35 = 76,415.65/x - Step 3: Cross multiply
133,768.73x = 184,602.35 × 76,415.65 - Step 4: Simplify right side
133,768.73x = 14,106,508,296.31 - Step 5: Solve for x
x = 14,106,508,296.31/133,768.73 - Step 6: Final answer
x = 105,454.45
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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.