Finding the Fourth Proportional to 110,209.23, 165,182.63 and 76,748.13
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Solution
The fourth proportional to 110,209.23, 165,182.63 and 76,748.13 is: 115,030.82
Step by Step Solution
- Step 1: Write the proportion equation
110,209.23 : 165,182.63 = 76,748.13 : x - Step 2: Convert to fraction form
110,209.23/165,182.63 = 76,748.13/x - Step 3: Cross multiply
110,209.23x = 165,182.63 × 76,748.13 - Step 4: Simplify right side
110,209.23x = 12,677,457,577.24 - Step 5: Solve for x
x = 12,677,457,577.24/110,209.23 - Step 6: Final answer
x = 115,030.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.