Finding the Fourth Proportional to 114,971.99, 158,661.32 and 64,670.99
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Solution
The fourth proportional to 114,971.99, 158,661.32 and 64,670.99 is: 89,245.95
Step by Step Solution
- Step 1: Write the proportion equation
114,971.99 : 158,661.32 = 64,670.99 : x - Step 2: Convert to fraction form
114,971.99/158,661.32 = 64,670.99/x - Step 3: Cross multiply
114,971.99x = 158,661.32 × 64,670.99 - Step 4: Simplify right side
114,971.99x = 10,260,783,522.45 - Step 5: Solve for x
x = 10,260,783,522.45/114,971.99 - Step 6: Final answer
x = 89,245.95
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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.