Finding the Fourth Proportional to 106,498.08, 147,033.36 and 74,795.04
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Solution
The fourth proportional to 106,498.08, 147,033.36 and 74,795.04 is: 103,263.51
Step by Step Solution
- Step 1: Write the proportion equation
106,498.08 : 147,033.36 = 74,795.04 : x - Step 2: Convert to fraction form
106,498.08/147,033.36 = 74,795.04/x - Step 3: Cross multiply
106,498.08x = 147,033.36 × 74,795.04 - Step 4: Simplify right side
106,498.08x = 10,997,366,042.53 - Step 5: Solve for x
x = 10,997,366,042.53/106,498.08 - Step 6: Final answer
x = 103,263.51
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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.