Finding the Fourth Proportional to 143,160.24, 197,560.05 and 79,498.26
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Solution
The fourth proportional to 143,160.24, 197,560.05 and 79,498.26 is: 109,707.00
Step by Step Solution
- Step 1: Write the proportion equation
143,160.24 : 197,560.05 = 79,498.26 : x - Step 2: Convert to fraction form
143,160.24/197,560.05 = 79,498.26/x - Step 3: Cross multiply
143,160.24x = 197,560.05 × 79,498.26 - Step 4: Simplify right side
143,160.24x = 15,705,680,220.51 - Step 5: Solve for x
x = 15,705,680,220.51/143,160.24 - Step 6: Final answer
x = 109,707.00
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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.