Finding the Fourth Proportional to 134,707.93, 185,882.70 and 74,274.98
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Solution
The fourth proportional to 134,707.93, 185,882.70 and 74,274.98 is: 102,491.61
Step by Step Solution
- Step 1: Write the proportion equation
134,707.93 : 185,882.70 = 74,274.98 : x - Step 2: Convert to fraction form
134,707.93/185,882.70 = 74,274.98/x - Step 3: Cross multiply
134,707.93x = 185,882.70 × 74,274.98 - Step 4: Simplify right side
134,707.93x = 13,806,432,756.17 - Step 5: Solve for x
x = 13,806,432,756.17/134,707.93 - Step 6: Final answer
x = 102,491.61
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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.