Finding the Fourth Proportional to 133,698.44, 184,587.72 and 86,034.62
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Solution
The fourth proportional to 133,698.44, 184,587.72 and 86,034.62 is: 118,781.75
Step by Step Solution
- Step 1: Write the proportion equation
133,698.44 : 184,587.72 = 86,034.62 : x - Step 2: Convert to fraction form
133,698.44/184,587.72 = 86,034.62/x - Step 3: Cross multiply
133,698.44x = 184,587.72 × 86,034.62 - Step 4: Simplify right side
133,698.44x = 15,880,934,346.87 - Step 5: Solve for x
x = 15,880,934,346.87/133,698.44 - Step 6: Final answer
x = 118,781.75
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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.