Finding the Fourth Proportional to 146,027.68, 201,518.49 and 78,959.68
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Solution
The fourth proportional to 146,027.68, 201,518.49 and 78,959.68 is: 108,964.52
Step by Step Solution
- Step 1: Write the proportion equation
146,027.68 : 201,518.49 = 78,959.68 : x - Step 2: Convert to fraction form
146,027.68/201,518.49 = 78,959.68/x - Step 3: Cross multiply
146,027.68x = 201,518.49 × 78,959.68 - Step 4: Simplify right side
146,027.68x = 15,911,835,484.48 - Step 5: Solve for x
x = 15,911,835,484.48/146,027.68 - Step 6: Final answer
x = 108,964.52
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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.