Finding the Fourth Proportional to 107,140.60, 147,833.21 and 63,525.09
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Solution
The fourth proportional to 107,140.60, 147,833.21 and 63,525.09 is: 87,652.28
Step by Step Solution
- Step 1: Write the proportion equation
107,140.60 : 147,833.21 = 63,525.09 : x - Step 2: Convert to fraction form
107,140.60/147,833.21 = 63,525.09/x - Step 3: Cross multiply
107,140.60x = 147,833.21 × 63,525.09 - Step 4: Simplify right side
107,140.60x = 9,391,117,910.32 - Step 5: Solve for x
x = 9,391,117,910.32/107,140.60 - Step 6: Final answer
x = 87,652.28
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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.