Finding the Fourth Proportional to 130,525.23, 195,865.62 and 47,425.71
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Solution
The fourth proportional to 130,525.23, 195,865.62 and 47,425.71 is: 71,166.82
Step by Step Solution
- Step 1: Write the proportion equation
130,525.23 : 195,865.62 = 47,425.71 : x - Step 2: Convert to fraction form
130,525.23/195,865.62 = 47,425.71/x - Step 3: Cross multiply
130,525.23x = 195,865.62 × 47,425.71 - Step 4: Simplify right side
130,525.23x = 9,289,066,093.09 - Step 5: Solve for x
x = 9,289,066,093.09/130,525.23 - Step 6: Final answer
x = 71,166.82
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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.