Finding the Fourth Proportional to 106,414.71, 146,858.93 and 58,667.99
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Solution
The fourth proportional to 106,414.71, 146,858.93 and 58,667.99 is: 80,965.47
Step by Step Solution
- Step 1: Write the proportion equation
106,414.71 : 146,858.93 = 58,667.99 : x - Step 2: Convert to fraction form
106,414.71/146,858.93 = 58,667.99/x - Step 3: Cross multiply
106,414.71x = 146,858.93 × 58,667.99 - Step 4: Simplify right side
106,414.71x = 8,615,917,209.02 - Step 5: Solve for x
x = 8,615,917,209.02/106,414.71 - Step 6: Final answer
x = 80,965.47
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1.5x scale
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.