Finding the Fourth Proportional to 148,958.59, 205,550.62 and 87,695.05
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Solution
The fourth proportional to 148,958.59, 205,550.62 and 87,695.05 is: 121,011.96
Step by Step Solution
- Step 1: Write the proportion equation
148,958.59 : 205,550.62 = 87,695.05 : x - Step 2: Convert to fraction form
148,958.59/205,550.62 = 87,695.05/x - Step 3: Cross multiply
148,958.59x = 205,550.62 × 87,695.05 - Step 4: Simplify right side
148,958.59x = 18,025,770,432.20 - Step 5: Solve for x
x = 18,025,770,432.20/148,958.59 - Step 6: Final answer
x = 121,011.96
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.