Finding the Fourth Proportional to 106,598.40, 147,099.84 and 61,246.08
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Solution
The fourth proportional to 106,598.40, 147,099.84 and 61,246.08 is: 84,516.17
Step by Step Solution
- Step 1: Write the proportion equation
106,598.40 : 147,099.84 = 61,246.08 : x - Step 2: Convert to fraction form
106,598.40/147,099.84 = 61,246.08/x - Step 3: Cross multiply
106,598.40x = 147,099.84 × 61,246.08 - Step 4: Simplify right side
106,598.40x = 9,009,288,568.63 - Step 5: Solve for x
x = 9,009,288,568.63/106,598.40 - Step 6: Final answer
x = 84,516.17
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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.