Finding the Fourth Proportional to 134,172.08, 185,159.63 and 76,811.17
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Solution
The fourth proportional to 134,172.08, 185,159.63 and 76,811.17 is: 106,000.65
Step by Step Solution
- Step 1: Write the proportion equation
134,172.08 : 185,159.63 = 76,811.17 : x - Step 2: Convert to fraction form
134,172.08/185,159.63 = 76,811.17/x - Step 3: Cross multiply
134,172.08x = 185,159.63 × 76,811.17 - Step 4: Simplify right side
134,172.08x = 14,222,327,817.07 - Step 5: Solve for x
x = 14,222,327,817.07/134,172.08 - Step 6: Final answer
x = 106,000.65
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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.