Finding the Fourth Proportional to 133,794.08, 184,732.70 and 86,130.46
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Solution
The fourth proportional to 133,794.08, 184,732.70 and 86,130.46 is: 118,922.39
Step by Step Solution
- Step 1: Write the proportion equation
133,794.08 : 184,732.70 = 86,130.46 : x - Step 2: Convert to fraction form
133,794.08/184,732.70 = 86,130.46/x - Step 3: Cross multiply
133,794.08x = 184,732.70 × 86,130.46 - Step 4: Simplify right side
133,794.08x = 15,911,112,428.04 - Step 5: Solve for x
x = 15,911,112,428.04/133,794.08 - Step 6: Final answer
x = 118,922.39
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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.