Finding the Fourth Proportional to 133,894.14, 184,780.62 and 76,536.42
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Solution
The fourth proportional to 133,894.14, 184,780.62 and 76,536.42 is: 105,624.09
Step by Step Solution
- Step 1: Write the proportion equation
133,894.14 : 184,780.62 = 76,536.42 : x - Step 2: Convert to fraction form
133,894.14/184,780.62 = 76,536.42/x - Step 3: Cross multiply
133,894.14x = 184,780.62 × 76,536.42 - Step 4: Simplify right side
133,894.14x = 14,142,447,140.18 - Step 5: Solve for x
x = 14,142,447,140.18/133,894.14 - Step 6: Final answer
x = 105,624.09
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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.