Finding the Fourth Proportional to 114,955.84, 158,549.04 and 74,682.49
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Solution
The fourth proportional to 114,955.84, 158,549.04 and 74,682.49 is: 103,003.35
Step by Step Solution
- Step 1: Write the proportion equation
114,955.84 : 158,549.04 = 74,682.49 : x - Step 2: Convert to fraction form
114,955.84/158,549.04 = 74,682.49/x - Step 3: Cross multiply
114,955.84x = 158,549.04 × 74,682.49 - Step 4: Simplify right side
114,955.84x = 11,840,837,094.31 - Step 5: Solve for x
x = 11,840,837,094.31/114,955.84 - Step 6: Final answer
x = 103,003.35
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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.