Finding the Fourth Proportional to 114,715.68, 158,440.12 and 76,412.14
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Solution
The fourth proportional to 114,715.68, 158,440.12 and 76,412.14 is: 105,537.00
Step by Step Solution
- Step 1: Write the proportion equation
114,715.68 : 158,440.12 = 76,412.14 : x - Step 2: Convert to fraction form
114,715.68/158,440.12 = 76,412.14/x - Step 3: Cross multiply
114,715.68x = 158,440.12 × 76,412.14 - Step 4: Simplify right side
114,715.68x = 12,106,748,631.06 - Step 5: Solve for x
x = 12,106,748,631.06/114,715.68 - Step 6: Final answer
x = 105,537.00
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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.