Finding the Fourth Proportional to 106,078.04, 146,377.68 and 63,054.08
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Solution
The fourth proportional to 106,078.04, 146,377.68 and 63,054.08 is: 87,008.68
Step by Step Solution
- Step 1: Write the proportion equation
106,078.04 : 146,377.68 = 63,054.08 : x - Step 2: Convert to fraction form
106,078.04/146,377.68 = 63,054.08/x - Step 3: Cross multiply
106,078.04x = 146,377.68 × 63,054.08 - Step 4: Simplify right side
106,078.04x = 9,229,709,944.93 - Step 5: Solve for x
x = 9,229,709,944.93/106,078.04 - Step 6: Final answer
x = 87,008.68
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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.