Finding the Fourth Proportional to 140,125.71, 210,354.99 and 110,564.76
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Solution
The fourth proportional to 140,125.71, 210,354.99 and 110,564.76 is: 165,978.46
Step by Step Solution
- Step 1: Write the proportion equation
140,125.71 : 210,354.99 = 110,564.76 : x - Step 2: Convert to fraction form
140,125.71/210,354.99 = 110,564.76/x - Step 3: Cross multiply
140,125.71x = 210,354.99 × 110,564.76 - Step 4: Simplify right side
140,125.71x = 23,257,848,984.15 - Step 5: Solve for x
x = 23,257,848,984.15/140,125.71 - Step 6: Final answer
x = 165,978.46
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1.5x scale
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.